Choose the correct words in italics.

1 Sarah's been to the theatre ewice THIS MONTH/ LAST MONTH

2Tom 's driven this car MANY TIMES/ IN 2015

3 John HAS FINISHED/ FINISHED the course three weeks ago

4 Dave loves his job. He DID/ 'S DONE it since he was twenty - four

5 " Mary has arrived" . " Really ? When HAS SHE GOT/ DID SHE GET here?

6 My father bought a new car THIS YEAR/ TWO YEARS AGO.

7 They've been on the boat FOUR HOURS AGO/ FOR FOUR HOURS

1. Sarah's been to the theatre this month.
Explanation: "This month" refers to the current month, which means the action of going to the theatre happened recently in the present month.

2. Tom's driven this car many times.
Explanation: "Many times" indicates a repeated action that happened in the past. The phrase "in 2015" refers to a specific year, which means the action happened only in that year.

3. John finished the course three weeks ago.
Explanation: "Three weeks ago" specifies a past time period, indicating that the action of finishing the course occurred in the past.

4. Dave loves his job. He's done it since he was twenty-four.
Explanation: "He's done it" implies that Dave continues to do his job until the present time. The phrase "since he was twenty-four" indicates the starting point of this action, which happened in the past.

5. "Mary has arrived." "Really? When did she get here?"
Explanation: The phrase "has arrived" indicates that Mary's arrival happened in the past, but the speaker wants to know the exact time of her arrival. The question "when did she get here?" seeks a specific point in the past.

6. My father bought a new car two years ago.
Explanation: "Two years ago" clearly indicates a past time frame, specifying when the action of buying the new car occurred.

7. They've been on the boat for four hours.
Explanation: "For four hours" indicates a specific period of time that has already passed, which means they started being on the boat four hours ago and are still on it. "Four hours ago" would indicate the specific point in the past when they got on the boat, which doesn't match the meaning of the sentence.