Some of the students are not sure ___ spelling the word, while others are not sure ___ the use of some grammatical rules.
| A．of… about | B．about…to | C．of…to | D．for….of |
We prefer __________ alone rather than __________.
| A．staying ； go out |
| B．staying ； going out |
| C．to stay ； to go out |
| D．to stay ； go out |
It is nice to hear from a close friend. __________，welast met more than thirty years ago.
| A．What's more | B．That is to say | C．In other words | D．Believe it or not |
He has __________ all his goals he set for himself.
| A．gained | B．accepted | C．achieved | D．got |
—I know you've always been interested in seeing different places and experiencing different cultures.
—Yes, I always think that the experience I __________will help me find a good job when I come back.
| A．Win | B．succeed | C．Gain | D．achieve |
Our English teacher is ill, and we are all __________ her health.
| A．concerned about | B．careful of | C．interested in | D．look after |