Modals of possibility & probability

A: Is Jeff a good student?

B: He __ . I don't know him well, but I heard he got a scholarship for next year.

• must be

• could be

• is

A: I heard that Eva is visiting. Do you know where she's staying?

B: She __ at Barbara's house. Or maybe she's at her sister's.

• must be staying

• could be staying

• is staying

A: I stayed up all night finishing this report for the boss.

B: You __ really tired.

• must feel

• might feel

• feel

A: Where's the leftover chicken from dinner last night?

B: I just saw it when I got some ice cubes. It __ in the freezer.

• must be

• might be

• is

A: It's supposed to rain tomorrow.

B: I know, but the forecast __ wrong. Weather forecasts are far from 100% accurate.

• must be

• could be

• is

A: I heard that Junko has received a scholarship and will be able to attend the university in the fall.

B: That's great news. She __ very happy.

• must be feeling

• may be feeling

• is feeling

A: Excuse me. Could you tell me which bus I should take to get to City Hall?

B: Hmmm. Bus number 63 __ there. But you'd better ask the driver.

• must go

• might go

• goes

A: Which bus should I take to get to the main post office?

B: Bus number 39. It __ right to the post office.

• must go

• could go

• goes

A: Do you suppose Mrs. Chu is sick?

B: She __ . I can't think of any other reason she isn't at this meeting.

• must be

• may be

• is

A: Is that Adam's brother standing with him in the cafeteria line?

B: It __ , I suppose. He does look a little like Adam.

• must be

• could be

• is