She ____ on her homework in her study now .
| A．must work | B．can work | C．must have worked | D．must be working |
Unless you are brave enough to speak up, you'll lose chances to make yourself understood．
| A．more | B．less |
| C．much | D．fewer |
If you need someone with professional computer knowledge, to Joe．
| A．talks | B．talking |
| C．talk | D．talked |
—Have you seen ______ film before?
—Yes. I saw it on ______ Christmas Day, but I can’t remember the exact year.
| A．the, a | B．a, the |
| C．a, a | D．the, the |
The job position in the advertisement requires that the applicant ______ at least 8 years of working experience.
| A．had | B．have |
| C．will have | D．has |
It was not what Tom said but what he wrote in the letter ______ touched his mother.
| A．what | B．which |
| C．that | D．who |