4. 　 　__　 in the queue for half an hour，the old man suddenly realized he had left the cheque in the

car.　

A. Waiting　 　　 B. To wait　　 C. Having waited　　　　　　　　 D. To have waited

3. 　 ___　 their hats into the air， the fans of the winning team let out loud shouts of victory.　

A. To throw　 　　 B. Thrown　　　　 C. Throwing　　　　　　　　 D. Being thrown

2. -Did the book give the information you needed?　

-Yes. But　　　　　　　　 it， I had to read the entire book.　

A. to find　　 　　 B. find　　　 C. to be finding　　　　　　　 D. finding

1. ______ the project in time, the workers were working day and night.

A. Completing　　 　　B. Having completed　 C. To have completed　 　D. To complete

13. ________ the meeting himself gave them a great deal of encouragement.

A. The president would attend　　　 B. The president to attend　

C. The president attended　　　　　 D. The president’s attending

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12. The children talked so loudly at dinner table that I had to struggle　　　　　　　　　　 .　

A. to be heard　　　　　 B. to have heard　　　　　　 C. hearing　　　　　　 D. being heard

11. When asked why he went there，he said he was sent there　　　　　　　　 for a space flight.　

A. training　　　　 B. being trained　 C. to have trained　　　　　 D. to be trained

10. Many ran to the crowd 　　　　　what was happening there.

A. saw　 　　　B. to see　　　　　 　C. to seeing　 　　　　　　　　　　　　　　　 D. see

9. Don’t sit there　　　　　　　　　 nothing. Come and help me with this table.　

A. do　　　　　　　　 B. to do　　　　　　　 C. doing　　　　　　　　　　　　　　　 D. and doing

8. Henry can’t attend the party 　　　　at Tom’s house at present because he is preparing tomorrow’s presentation.

A．hold　　　　　　　　　 B．to hold　　　　　　　 C．to be held　　　　　　 D．being held