Where to get the materials and how to get them ________ at the meeting.

An American scientist and writer _______ coming to give us a lecture on English  learning methods when he visits our school.

The number of tigers in Asia________ getting smaller and smaller and a large number of people_________ trying to protect them．

________ seems to be no possibility _______ the shy girl can win the first prize in the contest.

 —________ two months enough for the project to be finished?—I am afraid not. The professor is ill and only after he recovers ______ go on with it.