Some teenagers ________ their health because they often expose themselves to so many electric products．

have damaged

are damaging

damaged

will damage

－Has the television advertisement worked?

－It did!________ orders flooded in．

None

Some

Few

More

The school is no longer what it was 20 years ago, ________ it was so poorly equipped．

when

which

since

where

－My daughter nearly set the chicken on fire when cooking some dishes．

－You can't stress ________ the importance of using the fire．

too

much

yet

enough

－How are you getting on with your business?

－I'm glad to say it is ________．

adding up

breaking up

turning up

picking up

There's no ________ in arguing with each other over this matter．It depends on the weather．

mean

point

worry

view

John is no less hardworking than his sister, ________ he failed in the exam．

but

thus

or

and

－People should use public transport instead of their own private cars．

－________．The roads are too crowd as it is．

All right．

Exactly．

Go ahead．

Fine．

－I saw Mr Li at the meeting yesterday．

－Did you?He ________ have attended, for he had asked for sick leave．

needn't

couldn't

shouldn't

mustn't

Elizabeth believed the dog would die if ________ to her cruel owners so she kept it．

returning

was returned

it would return

returned