He visited three cities when he stayed in the U．S．, ________ New York, Washington and Houston．

such as

they are

which is

that is

The water of a hot spring(温泉)carries many dissolved minerals, usually ________ the water an unusual taste and smell．

to give

gives

to be given

giving

I had just got up and was about to cook my breakfast ________ the telephone rang loudly, but it hung up ________ I could answer it．

while; when

when; as

as; after

when; before

Some TV programmes give people a lot of ________ on how to ________ along with their life．

advices; go

suggestions; go

advice; get

suggestion; get

We are living in an age ________ many things are done on computer．

which

that

whose

when

The evening news comes on at seven o’clock and ________ only thirty minutes．

keeps

continues

finishes

lasts

Only after my friend came ________．

did the computer repair

he repaired the computer

was the computer repaired

the computer was repaired

________ Professor Hawking stepped into the office I knew that there was no hope．

Unless

Now that

Although

The moment

Mr Zhou, ________ native language was Chinese, could read and write several foreign languages．

whose

his

which

that

________ you know, he is a famous musician．

As

Which

That

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