--What’s the result of killing the sharks?
--If the number of the sharks ______, the other ocean lives will be in danger as well.
| A．drop too little | B．drops too little |
| C．drop too low | D．drops too low |
—Don’t ______the rubbish everywhere . It’s our duty to protect the environment.
— I’m sorry.I won’t do that again.
| A．put away | B．throw away |
| C．take away | D．give away |
—who is the man over there ? Is it Mr.Wang ?
—No, it _____be him .Mr.Wang is much fatter.
| A．can’t | B．need |
| C．mustn’t | D．may |
—How do you going to the train station to meet your aunt ?
— I’m going there ______my car .
| A．in | B．by | C．to | D．on |
Boys ,don’t lose ___in playing computer games .It’s bad for your eyes to play for a long time.
| A．himself | B．yourself |
| C．themselves | D．yourselves |
—Excuse me , haven’t you learned the new ___law? Everyone in a car must wear the seat belt.
—Sorry , we won’t do that again.
| A．food | B．traffic |
| C．medicine | D．education |