If we keep planting trees, our country will become ______.
| A．more and more beautifully | B．more or more beautifully |
| C．more or more beautiful | D．more and more beautiful |
He’ll remember as many English words as he can ______ the exam.
| A．pass | B．not lose |
| C．passes | D．to pass |
If you are weak ____ a subject, ______your teacher for advice can help.
| A．to, asking | B．in, ask |
| C．to, to ask | D．in, asking |
—Could I enter the apartment to look for my sister?
—Sorry, you ______. Men _______ go into the apartment for girls.
| A．couldn’t; can | B．can’t; mustn’t |
| C．can; can | D．needn’t; mustn’t |
The students _______ their homework carefully when the teacher walked into the classroom quietly.
| A．do | B．did |
| C．are doing | D．were doing |
—Look! The boy is just wearing a shirt in cold winter.
—How poor! It’s said that his parents _____ since he was 3 years old. Maybe we should give him a hand.
| A．have been dead | B．have died |
| C．died | D．die |