—Must we hand in our exercise books today? —Yes, .A、you willB、you mustC、you do

游客2025-02-28  6

问题 —Must we hand in our exercise books today? —Yes, .

选项 A、you will
B、you must
C、you do
D、you can

答案 B

解析 本题考查情态动词。根据回答的yes可知是必须交,使用must。故选B。
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