问题

When climbing the hill John was knocked unconscious by an _____rolling stone. [ ]

A: untouched
B: unexpected
C: unfamiliar
D: unbelievable

正确答案是：

同类题型

Lily would rather I _______ her at the airport yesterday, but I was then busy with a meeting.

Last night, I was ______ tired ______ I didn’t finish my homework.

_ she might, Sue couldn’t get the door open.

I bought this shirt for 35 yuan yesterday—It’s on sale today for only 29You should have waited—Oh, really? But how ________ I know?

er I come to visit, he is meals or before bed.