I _____ this book for two weeks. I have to return it now. 
#54965
A
borrowed
B
have borrowed
C
kept
D
have kept
推荐题目
--How many boys _______ in your group?--Four.
#59817
A
are there
B
is there
C
there are
D
there is
      a lot of trees in this area, but now we can see a museum instead.
#59515
A
There used to have
B
There used to be
C
There used to having
D
There used to being