—________the population of China？
—It’s about 1.3 billion．
| A．What’s |
| B．How many is |
| C．How much is |
| D．How’s |
Do you know the girl _________ is singing in the classroom?
A. when B. who C. which
—Be quiet, Mr. Smith is coming.
—Don’t worry. It _____ be him. Mr. Smith is much taller.
A. mustn’t B. must C. can’t
—_____ will your English teacher come back?
—In two days.
A. How often B. How long C. How soon
Boys and girls, the books in the library should______ good care of.
A. take B. are taking C. be taken
—How do you go to school every day?
—____ bus. I think it is good for the environment to take a bus.
A. On B. At C. By