—I’ll be asked to sing an English song in front of the class tomorrow, so I’m a little ________.
—Take it easy. I believe you’re the best.
| A．tired | B．sad | C．nervous | D．happy |
I was doing my homework _______ mother was cooking.
| A．when | B．while | C．as | D．what time |
No one knows what _______ in fifty years.
| A．will our life be like | B．is our life like |
| C．our life will be like | D．our life is like |
If there aretrees, the air in our city will becleaner.
| A．less; more | B．more; more | C．more; much | D．much; more |
What _______ to her yesterday evening?
| A．was happened | B．happened | C．happening | D．happen |
Jenny wants to get _______ job. She's tired of working here.
| A．a | B．one | C．the | D．another |