高中英语主语从句综合单选题

_____ we can’t get seems better than _____ we have.

A．What, what

B．What, that

C．That, that

D．That, what

___ we have overlooked, however, is that there is no one answer to this question．

A．Which

B．That

C．Where

D．What

（）the delayed flight will take off depends much on the weather.

A．

Why

B．

When

C．

That

D．

What

I think _______ impresses me about his painting is the colours he uses.

A．what

B．that

C．which

D．who

Exactly______ the potato was introduced into Europe is uncertain, but it was probably around 1565.

A．whether

B．why

C．when

D．how

_____ I cannot understand is _____ she wants to resign her present job.

A．What; why

B．Which; how

C．That; why

D．What; which

---Tell me something about your adventure in the rainforest, please.
---We lost our way in the forest and ___ made matters worse was ___ night began to fall.

A．what; that

B．it; that

C．it; because

D．what; because

7．Perhaps it will never be known __________ he did with those materials on the incident．

A．that

B．what

C．which

D．how

It is by no means clear       the president can do to end the strike.

A．how	B．which
C．that	D．what

It suddenly occurred to him       he had left his keys in the office.

A．whether

B．where

C．which

D．that

（年北京市西城区高三5月二模试题）23. It’s been discovered in the study ______ people are more relieved after forgiving others.

A．that

B．what

C．which

D．whose

________is surprising is that there are so many Chinese restaurants in Toronto.

A．It	B．That
C．Such	D．What

________is well known to everyone，I should say，is that a man becomes learned by asking questions.

A．Who	B．It
C．As	D．What

________he referred to in his article was often discussed by many people in the past.

A．That	B．What
C．Whether	D．Where

It was not until dark ___ he was aware of ___ he thought was the correct way to solve the problem.

A．when; what

B．that; that

C．that; what

D．when; that