题目内容
根据题意,用适当的情态动词或助动词填空
This ________ be Jim's book.
I saw him put it on the desk just now.
答案:must
解析:
解析:
must加上动词原形表示对现在很有把握的肯定推断。 |
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题目内容
根据题意,用适当的情态动词或助动词填空
This ________ be Jim's book.
I saw him put it on the desk just now.
must加上动词原形表示对现在很有把握的肯定推断。 |