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
The science of medicine, _______ progress has been very rapid lately, is perhaps the most important of all the sciences.
#72653
A
to which
B
in which
C
Which
D
with which
The suggestion _______ Tom gave me about how to study English at the meeting was that we ______ as much as possible.
#73576
A
which; would read
B
that; would read
C
what; should read
D
不填; read
— ____ visited the Shanghai World Expo is sure to tell you the place is worthy ____ twice． — You can say that again．
#69637
A
Those who have; visiting
B
Whoever has; visiting
C
Those who have; to be visited
D
Whoever has; to be visited
They are discussing in the next room_______will go to the conference on behalf of the manager.
#72299
A
whoever
B
who
C
what
D
whomever