问题
选择题
—Do you know when he will come back?
—___________.[ ]
A. Once a week
B. For a week
C. Till a week
D. Not until next week
答案
答案：D
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—Do you know when he will come back?
—___________.[ ]
A. Once a week
B. For a week
C. Till a week
D. Not until next week
答案：D