“Isn’t it about time you _____ to do morning exercises?” “Yes, it is. Would you like to join us?”
A.begin | B.have begun |
C.began | D.had begun |
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“Isn’t it about time you _____ to do morning exercises?” “Yes, it is. Would you like to join us?”
A.begin | B.have begun |
C.began | D.had begun |
试题篮
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