问题
Have you ever ________ the Great wall?
A:been to
B:gone to
C:go to
D:been
B:gone to
C:go to
D:been
正确答案是：
同类题型
It is impossible for____________ little room.
_________is no possibility __________Bob can win the first prize in the match.
Now, everybody, please turn to Page ________ and look at the ________picture.
Listen! Is Mary playing the piano in the room? –No. It ________ be Mary. She has gone to Hong Kong.