问题
选择题
—What shall we do next?
—Let's _____ to go hiking.[ ]
A. set off
B. set up
C. set down
D. set of
答案
答案：A
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—What shall we do next?
—Let's _____ to go hiking.[ ]
A. set off
B. set up
C. set down
D. set of
答案：A