They will have a maths test______two days.

admin2018-08-01  20

问题 They will have a maths test______two days.

选项 A、for
B、at
C、in
D、after

答案C

解析 两天之内应用in,after后面跟的是不确定的时间范围,after two days相当于after a few days,时间不确定。
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