－It's wrong for a student to follow ________ his teachers say．

－It's true．I can't agree ________．

A．no matter what; to much

B．whatever; much

C．no matter what; more

D．whatever; more

Students should always remember theory must by no means be ________ from practice．

A．separated

B．prevented

C．divided

D．carried

－What do you think made her so sad?

－________．

A．Losing her keys

B．Because of losing her keys

C．Her keys were lost

D．It was said that her keys were lost

It's dangerous to let the children who are ________ go swimming in the river．

A．too young to

B．so young

C．not old enough to

D．so old

The pen that was used to ________ is missing．

A．write

B．write with

C．writing

D．writing with

Don't miss the meeting．The questions to be discussed at it ________ of great importance．

A．is

B．are

C．was

D．will

Do you think the reason ________ he gave is believable?

A．for which

B．which

C．why

D．what

What do you consider ________ to her?

A．to happen

B．has been happened

C．happening

D．happened

She is often listened ________ on TV．

A．sing

B．singing

C．to sing

D．to to sing

This is the swimming-pool ________ we swam in our childhood．

A．that

B．which

C．in which

D．in where