A study shows that people living in non-smoking areas are less likely to ________ the habit of smoking．

A．pick up

B．turn up

C．draw up

D．make up

For us, ________ to college means that we can walk out of the mountains．

A．approach

B．access

C．appeal

D．passage

The composition is well written ________ a few spelling mistakes．

A．beside

B．besides

C．except

D．except for

The foreign teacher suggested ________ more to improve our reading skills．

A．us to do

B．we would do

C．we practice

D．we practiced

My uncle promised to buy me a nice gift for my birthday, ________ beyond my imagination．

A．which

B．that

C．one

D．it

Most scientists seem to agree that ________ certain limit should be set on ________ consumption of cars to ease air pollution．

A．a; the

B．/; the

C．the;/

D．the; the

We had wanted to finish our task by noon, but it didn't ________ as planned．

A．find out

B．give out

C．make out

D．work out

It was reported that the passenger ship was sailing eastwards in the Atlantic Ocean ________ its captain and some passengers on board ________ something supposed to be a UFO flying overhead．

A．while; caught sight of

B．when; caught sight of

C．as; saw

D．since; caught a sight of

He has ________ his fortune(财富)many times since he began to deal in second-hand car business．

A．sought

B．created

C．multiplied

D．risen

The constitution(宪法), unlike other forms of laws, is fundamental ________ our social system working properly．

A．for keeping

B．to keeping

C．to keep

D．with keeping