问题

I was so familiar with him that I recognized his voice _____ I picked up the phone .

A:while
B:after
C:in case
D:the instant

正确答案是：

同类题型

He hasn’t slept at all for three days. It is ______ he is tired out.

ean the position is still notoccupied—- Yes, but you must know that our job isvery demanding—- _______

_____60 miles a day，you need your mountain bike ina very good state

The soccer team has been doing well this season，so theywin the championship．

Do you enjoy ________ photos