The girl asked him not to leave the door _________．

to close

closed

to be closed

closing

Things will go worse, if the problem is _________ unsolved．

made

remained

stayed

left

It is well known that the horse will run faster if _________．

is whipped

whipping

it is

whipped

The research is so designed that once _________ nothing can be done to change it．

begins

having begun

beginning

begun

When _________, the museum will be open to the public next year．

completed

completing

being completed

to be completed

He hasn’t slept at all for three days．_________ he is tired out．

There is no point

There is no need

It is no wonder

It is no way

_________ seems no need to wait any longer．Chances are that they won’t turn up．

It

He

There

That

Since you have made such good preparations, there _________ be any problem about passing the coming exam．

mustn’t

shan’t

shouldn’t

needn’t

It is unbelievable that a well－behaved gentleman _________ be so rude to a lady．

will

may

must

should

_________ the present unemployment continue, the society would face a more troublesome situation．

Would

Should

Might

Could