The difference between the window of a department store and the showcase in a design museum is that the first tries to sell you something, ________ the second tells you the success of a sale．

when

though

while

but

I really wonder ________ I had my walkman stolen．

when was it that

what it was when

where it was that

it was where that

________ is all known to all, water is ________ hydrogen and oxygen．

As; making

It; made up of

As; composed of

Which; consisted of

The works of Lun Xun have a great ________ upon the Chinese literature．

effective

affect

influence

intention

Yuan Longping did all he could ________ himself ________ the scientific research on rice．

to apply; to

to apply; for

to apply; at

to devote; for

The person ________ to death yesterday was once a VIP．

condemned

was condemmed

who condemned

condemning

The police are looking for those who ________ the accident ________ happened last night．

have witnessed; that

has witnessed; which

have witnessed; what

has witnessed; that

They tried to put an end ________ about the matter．

to talk

to talking

talking

talk

John ________ his classmates is always playing basketball on the playground, _________ makes his teacher angry．

along; that

along with; which

and; who

or; which

They aim to make him _________ prejudice against women．

go

no

free from

free away