21st Century is ________ a newspaper, which can also help us to improve our English．

A．more than

B．no more than

C．only

D．not

The problem is ________ we can improve our reading skills in such a short time．

A．when

B．where

C．how

D．that

It was 1969 ________ he was born．

A．that

B．in that

C．when

D．which

－Did you punish him for that?

－Yes, but I don’t think I ________．

A．should have done so

B．need to have done so

C．should do that

D．ought have done that

The unforgettable ball was the last happy moment ________ I enjoy myself．

A．when

B．that

C．which

D．where

Once ________, such a chance might never come again．

A．losing

B．lost

C．to be lost

D．having

Today, we’ll discuss a number of cases ________ beginners of English fail to use the language properly．

A．which

B．as

C．why

D．where

Some pre-school children go to a day care center, ________ they learn simple games and songs．

A．then

B．there

C．while

D．where

－We didn’t find Smith attending the lecture．

－No one ________ him about ________ a lecture the following day．

A．told; there to be

B．had told; there to be

C．told; there was

D．had told; there being

As is known to us all, the television is a very important instrument of communication, ________ us to see as well as to hear the performer．

A．permitted

B．to permit

C．permitting

D．permit