He was very rude to the Customs officer, _____ of course made things even worse.
A. who B. whom C. that D. which
. China has hundreds of islands, _____ is Taiwan.
A. the largest of which B. of which largest
C. which the largest D. in which the largest
We travelled together as far as Chicago, _____ we said goodbye to each other.
A. which B. when C. why D. where
_____ was expected, he failed in the exam.
A. That B. As C. Which D. It
With the guide _______ the way, we finally got to the village which we were looking for.
A. led B. leading C. to lead D. had led
I was about to go to bed _____ one of my old classmates made a call to me.
A. when B. as C. while D. that
