2 . Many lessons are now available online, from _____ students can choose for free.

A．whose

B．which

C．when

D．whom

3 . Dr. Rowan, ______ secretary resigned two weeks ago, has had to do all his own typing.

A．whose

B．of whom

C．of which

D．which

4 . Many children, ________ parents are away working in big cities, are taken good care of in the village.

A．their

B．whose

C．of them

D．with whom

5 . The shipping group, _______profits dived last year by nearly a third, has told shareholders to expect an even lower result for this year．

A．whose

B．where

C．which

D．that

6 . 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

7 . She showed the visitors around the museum, the construction _______ had taken more than three years.

A．for which

B．with which

C．of which

D．to which

8 . By serving others, a person focuses on someone other than himself or herself, ________ can be very eye-opening and rewarding.

A．who	B．which
C．what	D．that

9 . 【2018·北京】She and her family bicycle to work, _________ helps them keep fit.

A．which	B．who
C．as	D．that

10 . 【2018·天津】Kate, _________sister I shared a room with when we were at college, has gone to work in Australia.

A．whom	B．that
C．whose	D．her