Directions:
There are ten incomplete sentences in this part. For each sentence there are four choices marked A, B, C and D. Choose the one that best completes the sentence. Mark your answer on the ANSWER SHEET with a single line through the center.
1. Making energy use completely harmless to the environment ____________ very difficult and usually economically expensive.
A. is B. are C. have been D. shall be
2. ___________ no gravity, there would be no air around the earth, hence no life.
A. If there had been B. If there was
C. Had there been D. Were there
3. Some members of the committee suggested that the meeting
A. being postponed B. to be postponed
C. be postponed D. postponed
4. Is there anything else ___________ you want to get ready for the party this evening?
A. which B. who C. that D. what
5. Since any answer may bring ____________ to his government, the spokesman tried to avoid the question.
A. commitment B. embarrassment
C. failure D. benefit
ADCCB