A.were studying
B.have been studying
C.had been studying
D.are studying

A.The less you study
B.The more you study
C.The most you study
D.The more and more you study

A.respiratorily
B.respiration
C.respirator
D.respiratory

A.have you
B.had you
C.haven’t you
D.been you

A.down
B.on
C.aside
D.out

A.Facebook is great as long as not too much time is spent on.
B.Facebook is not as good as TV.
C.Users should spend more time on Facebook.
D.The best use of Facebook is to share photos and messages.

A.she found it difficult to continue
B.her friends didn't care much
C.she made progress after some days
D.she couldn't focus on her homework

A.worrying
B.meeting her real friend
C.a problem
D.Facebook

A.45% of the country's population used Facebook.
B.More than 25 million of Brits use Facebook.
C.The amount of time British users spent on Facebook is highest.
D.Averagely, 6 hours per month are spent by British users.

A.different
B.opposite
C.relevant
D.unsuitable