问题

Jack wasn’t saying anything, but the teacher smiled at him ________ he had done something very clever.[ ]

A: as if
B: in case
C: while
D: though

正确答案是：

同类题型

Stanly has graduated from the university—It’s no wonder that I can’t see him these daysHe ___ in the city for six years

______ our arriving at the airport, we were given a warm welcome by the local people[ ]

If you don’t like to swim，you _____ as well stay at home．

You_____thelookonhisfacewhenhewonthelottery.

Have you thatAmy’s a little quiet these days—Yes, I wonder what has happened to her．