The fish can eat a person in two minutes, ________ only bones．

A．leave

B．left

C．to be left

D．leaving

I ________ the truth of your remarks, although they go against my interests．

A．cannot but admit

B．cannot help but to admit

C．cannot but admitting

D．cannot help but admitting

Every possible means ________ been taken to prevent the river ________．

A．have, polluting

B．has, polluted

C．have, from polluted

D．has, being polluted

________ their service, the workers of this restaurant are active in learning English．

A．Having improved

B．To improve

C．Improve

D．Improving

A：Peter, why didn’t you go to the flower show?

B：I think it’s something________ pleasant．

A．far more

B．far less

C．too much

D．much too

My glass, ________ I was like a blind man, fell to the ground and broke．

A．which

B．with which

C．without

D．without which

I, ________, your friend, will help you out．

A．who is

B．who am

C．that is

D．I am

Mother bought me a new bike as my birthday present, ________ made me very happy．

A．that

B．which

C．as

D．it

Can you think out a situation ________ this idiom can be used?

A．which

B．that

C．where

D．with which

I’ve read all the books ________ our teacher requires us to read．

A．which

B．that

C．what

D．they