________ is a fact that English is being accepted as an international language.

[　　]

They say that ________ doesn't make any difference my being there.

[　　]

Another thing _______ shocked Kunta was ________ women were held in the castle too.

[    ] 　　

A. which; which   B. which; that 　　

C. that; which    D. how; that

Someone is at the door, who is ________?

[　　]

In the United States, bus travel doesn't cost much as train travel, ________?

[　　]

________ is very clear to everyone that he's round and tall like a tree.

[　　]

Many people now make ________ a rule to buy cards for their friends before Christmas.

[　　]

I think it a great honour ________ to visit your country.

[　　]

It took us over an hour ________ along the street.

[　　]

Please ________ me up when you are in need of my help .

[　　]