Little Tom is only ____ boy, however, he has already learned about 1,000 English words.
| A．a 8-year-old | B．an 8-year-old |
| C．a 8-years-old | D．an 8-years-old |
— Here are three books on history. Which one would you like to borrow?
一______. You see, I’m interested in geography these days.
| A．All | B．None |
| C．Both | D．Each |
— My son seldom has breakfast.
— It is unhealthy habit. You must ask him to change it.
| A．/; an | B．the; an |
| C．/; a | D．the; a |
The doctor _______ on the man and _______ saved his life.
| A．did a operation; / | B．did an operation; was |
| C．operated; / | D．operated; was |
Students can’t be made ____________ all day.
| A．study | B．to study |
| C．studying | D．of study |
You know great changes _____________ in our school in the past ten years.
| A．have been taken place | B．took place |
| C．have taken place | D．were taken place |