问题
选择题
-Mom,shall we have supper now?
-Oh,we won't have supper _____ your dad comes back.[ ]
A.until
B.since
C.while
D.after
答案
答案：A
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-Mom,shall we have supper now?
-Oh,we won't have supper _____ your dad comes back.[ ]
A.until
B.since
C.while
D.after
答案：A