问题
选择题
My parents and I _____ going _____ vacation next week. [ ]
A. is; on
B. are; on
C. is; for
D. are; for
答案
答案：B
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My parents and I _____ going _____ vacation next week. [ ]
A. is; on
B. are; on
C. is; for
D. are; for
答案：B