That's the best way to ________ into the dangerous area．

A．get people get

B．stop people to get

C．keep people getting

D．prevent people getting

The conference will begin in an hour; ________, let's have a rest．

A．on the meantime

B．in the meantimes

C．in the meantime

D．in meanwhile

It was a time________ the killer whales helped the whalers catch the baleen whales．

A．when

B．that

C．then

D．which

I don’t think those curtains ________ very well with the wallpaper．

A．suit

B．go

C．fit

D．match

You’d better ________ your diet rather than eat the same food all the time．

A．vary

B．change

C．improve

D．exchange

The book ________ forty maps, ________ that of Great Britain．

A．contains, includes

B．is containing, including

C．includes, contains

D．contains, including

I know nothing about the young lady ________ she is from Beijing．

A．except

B．except for

C．except that

D．besides

Scientists say it may be five or ten years ________ it is possible to test this medicine on human patients．

A．after

B．before

C．since

D．when

I send you 100 dollars today, the rest ________ in a year．

A．follows

B．followed

C．to follow

D．being followed

Taking a plane is the quickest ________ to get to Tibet．

A．mode

B．manner

C．means

D．method