问题
选择题
He _____ go now. He _____ clean the classroom first.[ ]
A. needn’t; need
B. can’t; has
C. can’t; have to
D. can’t; has to
答案
答案：D
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He _____ go now. He _____ clean the classroom first.[ ]
A. needn’t; need
B. can’t; has
C. can’t; have to
D. can’t; has to
答案：D