题目内容
---Excuse me, Mum. When can we have dinner?
---Not until it ___________ in half an hour.
A. is prepared B. will be prepared
C. has been prepared D. was prepared
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题目内容
---Excuse me, Mum. When can we have dinner?
---Not until it ___________ in half an hour.
A. is prepared B. will be prepared
C. has been prepared D. was prepared