It’s nearly 7 o’clock. Helen _______ come, but let’s wait for her for another 5 to 7 minutes.
A.couldn’t | B.can’t | C.mustn’t | D.may not |
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It’s nearly 7 o’clock. Helen _______ come, but let’s wait for her for another 5 to 7 minutes.
A.couldn’t | B.can’t | C.mustn’t | D.may not |