The Chinese people are proud of the 29th Olympic Games _________ in Beijing in 2008．

hold

holding

held

to be held

Some researchers believe that there is no doubt _________ a cure for AIDS will be found．

which

that

what

whether

It is general believed that teaching is _________ it is a science．

an art much as

much an art as

as an art much as

as much an art as

_________ by the beauty of nature, the girl from London decided to spend another two days on the farm．

Attracting

Attracted

To be attracted

Having attracted

_________ with the size of the whole earth, the biggest ocean does not seem big at all．

Compare

When comparing

Comparing

When compared

He speaks English well indeed, but of course not _________ a native speaker．

as fluent as

more fluent than

so fluently as

much fluently than

Great changes _________ in China in the last twenty years．

are taken place

have taken place

have been taken place

happened

They will stay inside unless it _________ tomorrow．

stops raining

stops to rain

will stop raining

will stop to rain

He said he would come to see the film, and he _________ arrive before the lights _________．

was supposed to; went out

must; go out

should; turn off

have to; went out

Before you go to school, put away your things and don’t _________ them lying everywhere．

let

make

had

leave