问题
选择题
It is very cold in the northeast of China ___ winter.
A．at
B．in
C．for
D．till
答案
答案：B
在四季前面都是用介词in.
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It is very cold in the northeast of China ___ winter.
A．at
B．in
C．for
D．till
答案：B
在四季前面都是用介词in.