1. He set up in business__1__ his own and was very successful.
A. inB. of C. onD. by
2. John’s score on the test is the highest in the class; he__2__ last night.
A. must studyB. should have studied
C. must have studiedD. is sure to study
3. Frank almost never received any education__3__ ?
A. would heB. did he
C. didn’t he D. wouldn’t he
4. Even if his letter__4__ tomorrow, it__4__ too late to do anything.
A. will arrive...isB. should arrive...were
C. arrives...will beD. arrives...would be
5. We can hear__5__ from the back of the room.
A. just as goodB. just as easy
C. just as wellD. easily as well