Some people fear that ________ air pollution may bring about changes in _______ weather around the world.
| A．/; the | B．the; / | C．an; the | D．the; a |
The writer is very popular with young people ____ he has been dead for many years.
| A．ever since | B．even if | C．as if | D．so that |
My manager told me ____ the same mistake again or I would be fired.
| A．don’t make | B．not make | C．not to make | D．to not make |
Tom ____ skating, so he spends all his spare time on it.
| A．is popular with | B．is concerned about |
| C．is proud of | D．is crazy about |
- Ann is in hospital.
- Oh, really? I _______ know. I _______ go and visit her.
| A．didn’t; am going to | B．didn’t; will | C．don’t; would | D．don’t will |
I told Sally how to get here, but perhaps I ___ for her.
| A．had to write it out | B．must have written it out |
| C．should have written it out | D．ought to write it out |