The way he did it was different ________ we were used to．

A．in which

B．in what

C．from what

D．from which

I was surprised by her words,which made me recognize ________ silly mistakes I had made．

A．what

B．that

C．how

D．which

The old lady's hand shook frequently．She explained to her doctor ________ this shaking had begun half a year before,and ________,only because of this,she had been forced to give up her job．

A．when;how

B．how;when

C．how;how

D．why;why

Some researehers believe that there is no doubt ________ a cure for AIDS will be found．

A．which

B．that

C．what

D．whether

Danby left word with my secretary ________ he would call again in the afternoon．

A．who

B．that

C．as

D．which

Great changes have taken place in that school．It is no longer ________ it was 20 years ago,________ it was so poorly equipped．

A．what;when

B．that;which

C．what;which

D．which;that

Elephants have their own way to tell the shape of an object and ________ it is rough or smooth．

A．/

B．whether

C．how

D．what

As soon as he comes back,I'll tell him when ________ and see him．

A．you will come

B．will you come

C．you come

D．do you come

The shopkeeper didn't want to sell for ________ he thought was not enough．

A．where

B．how

C．what

D．which

— Don't you think it necessary that he ________ to Miami but to New York?

— I agree,but the problem is ________ he has refused to．

A．will not be sent;that

B．not be sent;that

C．should not be sent;what

D．should not send;what