Have you ever ________ the Great wall?
#40391
A
been to
B
gone to
C
go to
D
been
推荐题目
There __________heavy rain tomorrow. 
#39297
A
is
B
have
C
will be
D
will have
------- _______ you _______ the book ______ to the library yet. ------ Yes. I have.
#41873
A
Have ,returned,/
B
Have, returned, back
C
Did return ,/
D
Did, return,back