1 . Mike’s disappointment was shared by several players who were present, ________ were so upset that they shouted at the judge.

A．some of them	B．some of which
C．some of that	D．some of whom

2 . The course normally attracts about 100 students per year, up to half will be from abroad.

A．who	B．of which
C．when	D．of whom

3 . The parents are making changes to their previous education methods, of ______ negative effect they begin to be aware.

A．who

B．whom

C．whose

D．which

4 . Many young people, most _________ were well-educated, headed for remote regions to chase their dreams.

A．of which	B．of them
C．of whom	D．of those

5 . ______ is surprising to us is that Tom, for _______ English was once boring, can speak English fluently as though he were a native speaker.

A．As; whom	B．What; whose
C．It; whose	D．What; whom