— Look at the students in Grade 7, they look ______ cooler in military uniform(军服).— I agree with you, they look smart.
— I bought the digital camera two months ago. — You mean that you __________ it for nearly two months.
The teacher can _____ believe that Tom studies so ______.
---Would you _____ have tea or wine? ---______.I prefer coffee.
There’s _____ wrong with my computer.I’ll have it _____ .
Mr Liu is ____ unusual teacher.He has written _____ useful book for his students.