问题
选择题
Someone called me up in the middle of the night,but they hung up ________I could answer the phone.
A．as
B．since
C．before
D．until
答案
C
这句话的意思是“午夜有人给我打电话,但是在我接电话之前,他们又挂了”。
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Someone called me up in the middle of the night,but they hung up ________I could answer the phone.
A．as
B．since
C．before
D．until
C
这句话的意思是“午夜有人给我打电话,但是在我接电话之前,他们又挂了”。