Question

用must, might, could和can't完成对话

A: Tina, you look worried. What's wrong ?

B : I (1) ________ find my English book. I (2) ________ have lost it .

A: Don't worry. Let's see where it (3) ________ be.

B: I think I (4) ________ leave it in the reading-room. But it isn't there.

A: What's your book look like.? Let's look for it together.

B : It's blue.

A: Oh, Look! Is this one yours?

B: No. It (5) ________ be mine. Tom's name is on it.

A: I'm afraid you have to buy a new one.

Answer 1

答案：can't;must;could;might;can't