1.The science of medicine, ___ progress has been very rapid lately, is perhaps the most important of all the sciences.

A.in which

B.to which

C.with which

D.which

2.All traffic is being ___ because of the military parades.

A.diverted

B.converted

C.altered

D.alternated

3.He felt extremely anxious, as his own personal future was at ___.

A.danger

B.stroke

C.steak

D.stake

4.Music is often used by movie directors to ___ the action on the screen.

A.contaminate

B.compliment

C.contemplate

D.complement

5.Mary will insist on wearing high heels; she's twisted her ankle again and it's very ___.

A.inflated

B.swollen

C.expanded

D.stout

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