In May 2011, Americans spent 53 billion minutes on Facebook, ______ it the most popular U.S. website.
#68432
A
making
B
made
C
to make
D
having made
推荐题目
This is the plane _______ he went to Shanghai ______ business.
#71914
A
where, for a
B
by which, on the
C
in which, on
D
where, on
_____ worries the doctor most was _______ they could find the cause of the disease.
#68603
A
What; how
B
That; that
C
What; what
D
How; what
Once more I have to leave Beijing, ______ I have been living for eight years.
#73990
A
that
B
where
C
which
D
as