The ________ air in this area has a strange smell, but we ________ it．

A．polluted, used to

B．polluted, are used to

C．polluting, used to

D．polluting, are used to

________ has helped to save the drowning girl is worth praising．

A．Who

B．The one

C．Anyone

D．Whoever

It was three years ago ________ Mr．Smith came to Shanghai．

A．when

B．since

C．that

D．until

The watch ________ belongs to me．

A．which it is on the table

B．lying on the table

C．is on the table

D．lain on the table

He often wrote to the writers ________ he thought would help him to become a writer, too．

A．whom

B．who

C．when

D．because

Charlie Chaplin, ________ was born in 1889, is one of the greatest actors ________ the history of the cinema．

A．that…in

B．who…in

C．that…on

D．who…on

I’ve never been to Beijing, but it's the place ________．

A．where I’d like to visit

B．I most want to visit

C．in which I’d like to visit

D．that I want to visit it most

He came back late, ________ which time all the guests had already left．

A．after

B．by

C．at

D．during

A survey was carried out on the death rate of newly born babies in that region, ________ were surprising．

A．the results of it

B．as results

C．the results of which

D．which results

________ I want badly is a new sports car．

A．All that

B．All what

C．All which

D．The thing what