问题
Bill Gates has created a wonderful “window” ______ people can surf the Internet freely．
A:that
B:which
C:where
D:when
B:which
C:where
D:when
正确答案是：
同类题型
Where is your father?—— He has gone to the supermarket. He __________ at home.
It is said that potato chips ____________ by mistake about a hundred years ago.
My parents are busy, so I always _____ every Sunday cleaning the house.
The Kings have been to Tibet. They have decided to go there next year.