问题
选择题
—When do you _________ Shanghai?
—At 4:00.[ ]
A. come
B. go
C. arrive
D. leave for
答案
答案：D
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—When do you _________ Shanghai?
—At 4:00.[ ]
A. come
B. go
C. arrive
D. leave for
答案：D
ΔH＝－1.9 kJ/mol