28. Will you please lend me the book when you __________ it?

A. will finish　　　　　 B. have finished　　　　 C. will have finished　　　　　 D. finishing

27. They can't leave until they __________ their work.

A. did　　　　　　　 B. are doing　　　　　 C. have done　　　　 D. had done

26. I __________ him a lot during the past two weeks.

A. saw　　　　　　　 B. have seen　　　　　 C. had seen　 　　　　　D. am seeing

25. "Where's your uncle's home?" __________ in Boston in the past years.

A. He's lived　　　　 B. He's living　　　　　　 C. He lives　　　　　 D. He lived

24. "The possibility of the flood was just reported over the radio."

"I know. I heard abut it. The river __________ the top of its bank."

A. got　　　　　　　 B. get　　　　　　　 C. gets　　　　　　　　　　 D. has got

23. James Watt __________ the steam engine　

A. was inventing　　　 B. invented　　　　　　　 C. had invented　　 　　　　D. has invented

22. While Connie __________ a baseball match, her sister is typewriting a letter in her office.

A. Has watched　　　 B. watches　　　　　 C. is watching　　　　 D. has been watching

21. Twelve inches __________ one foot.

A. make　　　　　　 B. makes　　　　　　 C. is making　　　　 D. will make

20. Smith__________ his friends for money.

A. often ask　　　　　 B. is often asking　　　　 C. often asks　　　 D. has been asked

19. Do be quiet! I'm trying to hear what the man __________.

A. says　　　　　　　 B. is saying　　　　　　 C. has said　　　 D. has been saying