So many people violate traffic regulations that we ____ put too much emphasis on the importance of traffic safety.

So many people violate traffic regulations that we ____ put too much emphasis on the importance of traffic safety.

#62634

must not

should not

need not

cannot

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He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside．

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The lady in the sitting room           be over sixty. She looks so young.

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共2308题