It is obvious ________ he has known the news and he is very satisfied with the result．

which

that

what

whether

We ________ in the office．

are not permitted smoke

are not permitted smoking

don’t permit smoking

don’t permit to smoke

I’ll help you ________ I don’t sleep for night．

though

although

even if

as if

I wonder how much ________．

the watch costs

did the watch cost

the watch costed

does the watch cost

The ________ look on his face suggested that what the monitor said was ________．

puzzling; puzzled

puzzled; puzzled

puzzled; puzzling

puzzling; puzzling

When the New Year comes, children often ________ and get some gifts．

take up

put up

dress up

set up

The young engineer was ________ a gold cup because of his achievements for the company．

admitted

awarded

applied

accepted

The Spring Festival is a festival ________ Chinese people gather together eating dumplings to celebrate the spring’s coming．

on which

which

during which

that

Why is so silent in the room? He ________ asleep now．

should be

must be

must have been

should have been

________ we were worried about was ________ they could manage to control the pollution．

That; how

That; whether

What; that

What; whether