_______, there would be no air around the earth.
| A．There were no gravity | B．There was not any gravity |
| C．Were there no gravity | D．was there no gravity |
All the people started early so that they__________there in time.
| A．got | B．was getting | C．could get | D．must get |
It rained a lot during their journey,so they__________have had a good time.
| A．can’t | B．must | C．shouldn’t | D．might |
Had the boy worked harder,he__________the exams.
| A．must have got through |
| B．could get through |
| C．ought to get through |
| D．would have got through |
—Is it good a look up every new word when I come across it in reading?
—No,You__________because you are likely to guess the meaning from the context.
| A．can’t | B．mustn’t | C．don’t have to | D．ought not to |
These wild flowers are so special that I would do__________I can to save them.
| A．whatever | B．which |
| C．that | D．whichever |