1)Paul is behaving in a very unusual way. I think he again.
a. can't drink
b.can be drinking
c. might be drinking

2)I think there You should check it.
a mistake in your tax return.
a. can't be
b. might be
c.may be

3)If Suzan said that, it
a. might be
true. She never lies.
b. must be
c.can be

4) Sorry, but I'm not Connor. You someone else.
me for
a. might be confusing
b. must confuse
c. must be confusing

5)I'm not sure I trust Peter. He the person we think he is.
a. might not be
b. can't be
c. must not be

6)You have walked for ten hours. You exhausted.
a.can be
b. can't be
c. must be

7)He his son, they look completely different.
a. might be
b. can't be
c. must not be

8)There's a bit of traffic, so I
a. might not
arrive in time.
b. must not
c.may not

9)He disappointed him.
be very proud of you right now. You
a. must not
b. can't
c. might

10)I wouldn't swim in this river if I were you. It
dangerous.
a. might be
b.may be
c.can be ​

1) Paul is behaving in a very unusual way. I think he might be drinking again.

Explanation: "Might be" is used to express a possibility or uncertainty. In this case, it suggests that there is a possibility that Paul is drinking again, but it is not confirmed.

2) I think there might be a mistake in your tax return.

Explanation: "Might be" is used to express a possibility or uncertainty. In this case, it suggests that there is a possibility that there is a mistake in the tax return, but it is not confirmed.

3) If Suzan said that, it must be true. She never lies.

Explanation: "Must be" is used to express a strong belief or certainty. In this case, it suggests that if Suzan said something, it is most likely true because she is known for always telling the truth.

4) Sorry, but I'm not Connor. You might be confusing me for someone else.

Explanation: "Might be confusing" is used to suggest a possibility that the person speaking is being mistaken for someone else. It implies that there is a chance of confusion in identifying the person.

5) I'm not sure I trust Peter. He might not be the person we think he is.

Explanation: "Might not be" is used to express doubt or uncertainty. In this case, it suggests that there is a possibility that Peter is not the person the speaker believes him to be.

6) You have walked for ten hours. You must be exhausted.

Explanation: "Must be" is used to express a strong conclusion or assumption. In this case, based on the fact that the person has been walking for ten hours, it is assumed that they are exhausted.

7) He might be his son, they look completely different.

Explanation: "Might be" is used to express a possibility or uncertainty. In this case, it suggests that there is a possibility that the person in question is the speaker's son, even though they look different.

8) There's a bit of traffic, so I might not arrive in time.

Explanation: "Might not" is used to express a possibility or uncertainty. In this case, it suggests that there is a possibility that the speaker will not arrive on time due to the traffic.

9) He can't be disappointed. You must be very proud of you right now.

Explanation: "Can't be" is used to express disbelief or strong doubt. In this case, it suggests that the person mentioned cannot be disappointed because the speaker believes the person should be proud of themselves.

10) I wouldn't swim in this river if I were you. It might be dangerous.

Explanation: "Might be" is used to express a possibility or uncertainty. In this case, it suggests that there is a possibility that the river is dangerous for swimming, but it is not confirmed.