5. We expect the scope of research _ steadily. 1. am expanding
2. have expanding
3. expand
4. to expand
5. are expanding
6. W hen___what he thought of the innovation, the engineer approved it. 1. to have asked
2. asked
3. to be asking
4 . to ask
5. asks
1. discuss
2. discussed
3. to discuss
4. discusses
5. discussing
8. If y o u ___in time, you would have caught the 10 o'clock train. 1. had left
2. have left
3. leave
4. left
5. will leave
9. "When was the timetable changed?" he asked. He asked m e ___. 1. when was the timetable changed
2. when did the timetable change
3. when was changed the timetable
4. when the timetable had been changed
5. if the timetable was changed
10. This is not an opportunity___. 1. neglected
2. neglects
3. to be neglected
4. neglect
5. am neglecting
11. Jack won't start the experiment until all the arrangements are prepared,___? 1. did he
2. isn't he
3. will he
4. does he
5. is he
12. The report___by next Monday. 1. wrote
2. writes
3. is writing
4. write
5. will have been written
7. W hen__the problem they argued a lot. 127
13. The criminal was arrested when he through passport control.
1. is passing
2. was passing
3. have passed
4. were passing
5. passes
14. Are you interested___art and architecture? 1. with
2. at
3. for
4. of
5. in
15. While writing a report I ___many reference books and encyclopedia. 1. has consulted
2. consulted
3. was consulted
4. consults
5. is consulting
