There are about fifteen hundred languages in the world.but only () of them are very important.
A、a few
B、a little
C、few
D、little
第1题
()many difficulties, they still went on with their experiment.
A、Face
B、Faced
C、Facing with
D、Faced with
第3题
Why is it difficult for the world to talk()clones and to reach an agreement?
A、over
B、about
C、with
D、beyond
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