题目内容
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.
答案：
解析：
解析：
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1．can't(找不到了) 2．must(表推测，可能性较大) 3．could(表推测，可能性较小) 4．might(表推测，可能性较小) 5．can't(表推测，可能性较大) |
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