Wash your hands with soap _________ the experiment．

at the end of

in the end

to the end

at an end

His son was put in _________ prison．He went to _________ prison to see him once a month．

/;/

the; the

/; the

the;/

One should remain _________ and think of ways to escape when facing danger．

quiet

calm

still

silent

If it ________ for the snow, we ________ the mountain yesterday．

were not; could have climbed

were not; could climb

had not been; could have climbed

had not been; could climb

I ________ to go for a walk, but someone called and I couldn’t get away．

was planning

planned

had planned

would plan

Chinese arts have won the ________ of a lot of people outside China．

enjoyment

appreciation

entertainment

application

The professor walked onto the platform and seated himself in a chair, ________ for answering questions．

had prepared

being prepared

preparing

prepared

________ the search engine just gave me some brief introductions rather than the whole content of the book to read．

Luckily

Mostly

Funnily

Disappointingly

The number 9.11 is a special number, ________, I think, that will be remembered by the Americans forever．

what

it

which

one

The dance performed by the disabled actors is really a hit, but years ago no one ________ they were to achieve such great success．

must have imagined

could have imagined

should have imagined

would have imagined