We couldn't solve the problem until our teacher arrived.




A.When our teacher arrived, we solved the problem.
B.Not until our teacher arrived could we solve the problem.
C.Until our teacher arrived, we were able to solve the problem.
D.Not until we solved the problem could our teacher arrive.

She finds the work she has to do quite easily; boredom is her biggest problem.




A.the work
B.has to
C.easily
D.biggest

Co-ed was negatively responded to in ____.




A.Japan
B.the Scandinavian countries
C.South American countries
D.conservative countries

__________(49)




A.confronting
B.challenging
C.rousing
D.plaguing

We feel very ..............today




A.happy
B.happiness
C.happily
D.happen

A.curious
B.receptionist
C.unique
D.achieve

Of all seashore plants, seaweeds are best able to tolerate long periods out of water, followed by long periods covering by water.




A.Of
B.best
C.by
D.covering

People donated a lot, so the victims of the tsunami are now able to overcome difficulties.




A.To overcome difficulties, the victims of the tsunami needed people's generous donation.
B.But for people's generous donation, the victims of the tsunami wouldn't be able to overcome difficulties now.
C.The victims of the tsunami are now able to overcome difficulties but for people's donation.
D.Despite people's generous donation, the victims of the tsunami are facing lots of difficulties.

The pronoun "them" in paragraph 5 refers to _.




A.certain skating moves
B.some famous skaters
C.some live performances
D.certain ice shows

................weather! We can't go out for a walk now




A.How terrible
B.What terrible
C.How a terrible
D.What a terrible