You (shouldn't／needn't) argue with your parents. It's rude to do so.

1. You (shouldn't／needn't) argue with your parents. It's rude to do so.

【考点】

情态动词;

【答案】

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选词填空（单句）容易

1. Sorry, I can't hear you. Would you (重说) it?

单词拼写（单句）容易

2. Now all the e-bike riders in Ningbo (必须) wear helmets while riding.

单词拼写（单句）容易

3. —I just now heard that Mr Li was giving a lecture in the hall.

—It (can't／mustn't) be him. He has gone to Beijing.

选词填空（单句）容易