She took it for granted ________ I'd be back home an hour ago．

A．that

B．whether

C．if

D．when

It doesn't matter ________ we need it or not．

A．whether

B．if

C．that

D．/

Smith came here to look for someone, but I didn't know ________ was the one he was looking for．

A．who

B．whomever

C．whom

D．whatever

These computers are different from _________．

A．that we expected

B．what we expected

C．which we have expected

D．what we had expected

Perseverance is a kind of quality-and that's ________ it takes to do anything well．

A．what

B．that

C．which

D．why

Take ________much you want and ________ you want to．

A．however; when

B．whenever; how

C．however; whoever

D．however; whenever

He often thinks of ________ he can do more for the four modernizations．

A．what

B．how

C．that

D．which

He was interested in ________ he had seen at the exhibition．

A．which

B．that

C．all what

D．all that

There's a feeling in me ________ we'll never know what a UFO is-not ever．

A．that

B．which

C．of which

D．what

Do ________ you think is right ________ difficulties you may have．

A．what; however

B．that; what

C．whatever; whoever

D．what; whatever