The world’s population has grown _____ six times _______ it was in 1800.
A.by; what B.by; that C.in; what D.to; that
—He is eager to try something he has never tried before.
—Oh, I see. That’s ______he’s different from others.
A.when B.what C.how D.where
Our English teacher was so busy. She cannot afford enough time with her daughter ___she wants to.
A.as if B.even if C.because D.before
How long do you think _______ the conflict between Japan and China comes to an end?
A.will it be until B.will it be when
C.it will be before D.it will be that
—Life ____ be very hard for people living in the north of Canada as it is very cold there in winter.
—Yes, the weather there _____ be as low as 60℃ below zero.
A.must; can B.shall; must C.will; should D.has to; can
In my opinion, it is the present examination system rather than the teachers, that ________ for the heavy burden on today’s students.
A.is blamed B.are to blame
C.is to blame D.are blamed
