2. Can you put in the right prepositions? 1. Let me get … touch ... my colleagues.
2. I want you to quote … 200 units f.o.b. Subthampton.
3. Why do you want to apply … this job?
4. Can you reduce the price … 10%?
5. I’m afraid we can grant only 5% … list price.
6. When we deal … a new customer, we always insist … payment by letter … credit.
7. We have concluded a lot … transactions … that price recently.
8. The parties agreed … the guarantee period – 24 months … dispatch.
9. We can settle … you every three months.
10. This letter of credit is valid … 10 May. It means that expires … that date.
11. The successful candidate … this job must have fluency … three European languages.
12. It goes … saying you should arrive … the interview … time.
13. We’re looking forward … the time when we start trading regularly.
14. We’d prefer the goods to be delivered … sea.
15. A substantial order has been placed … this model.

1. Let me get in touch with my colleagues.
2. I want you to quote 200 units f.o.b. Subthampton.
3. Why do you want to apply for this job?
4. Can you reduce the price by 10%?
5. I’m afraid we can grant only 5% off the list price.
6. When we deal with a new customer, we always insist on payment by letter of credit.
7. We have concluded a lot of transactions at that price recently.
8. The parties agreed on the guarantee period – 24 months from dispatch.
9. We can settle with you every three months.
10. This letter of credit is valid until 10 May. It means that it expires on that date.
11. The successful candidate for this job must have fluency in three European languages.
12. It goes without saying you should arrive for the interview on time.
13. We’re looking forward to the time when we start trading regularly.
14. We’d prefer the goods to be delivered by sea.
15. A substantial order has been placed for this model.

Explanation:
1. "Let me get in touch with my colleagues." - the phrase suggests that the person wants to communicate or contact their colleagues. "In touch" means to establish communication or contact with someone.

2. "I want you to quote 200 units f.o.b. Subthampton." - the phrase indicates that the person wants the other party to provide a price quote for 200 units. "f.o.b." stands for "free on board," indicating that the price should include the cost of delivering the goods to the ship.

3. "Why do you want to apply for this job?" - the phrase asks the reason behind the person's interest in applying for the job.

4. "Can you reduce the price by 10%?" - the phrase asks if it is possible to lower the price by 10%.

5. "I’m afraid we can grant only 5% off the list price." - the phrase expresses regret that they can only offer a 5% discount from the initial price.

6. "When we deal with a new customer, we always insist on payment by letter of credit." - the phrase states that when the company engages with a new customer, they always require payment through a letter of credit, which guarantees payment.

7. "We have concluded a lot of transactions at that price recently." - the phrase states that they have completed many transactions at the mentioned price in the recent past.

8. "The parties agreed on the guarantee period – 24 months from dispatch." - the phrase indicates that both parties involved have agreed on a guarantee period of 24 months starting from the moment of dispatch.

9. "We can settle with you every three months." - the phrase implies that they can make payments or reach an agreement with the other party every three months.

10. "This letter of credit is valid until 10 May. It means that it expires on that date." - the phrase explains that the mentioned letter of credit is effective until the 10th of May, indicating that it will no longer be valid after that date.

11. "The successful candidate for this job must have fluency in three European languages." - the phrase states that the person who will be chosen for the job must have the ability to speak three European languages fluently.

12. "It goes without saying you should arrive for the interview on time." - the phrase implies that it is obvious or expected for the person to arrive punctually for the interview.

13. "We’re looking forward to the time when we start trading regularly." - the phrase expresses anticipation and excitement for the moment when they will commence regular trading.

14. "We’d prefer the goods to be delivered by sea." - the phrase communicates a preference for the goods to be transported or shipped via sea.

15. "A substantial order has been placed for this model." - the phrase states that a significant or large order has been made for this particular model.