---How dangerous!
--- Yes. I think the policeman should stop the children soccer in the street.
| A．play | B．playing | C． to play | D．plays |
---Could I go boating this weekend, Dad?
---Yes, you ________. But you ________ come back before lunch.
| A．could; must | B．can; must | C．could; should | D．must; should |
--My father has decided to ________ smoking.
---That’s good news for us.
| A．give up | B．give out | C．give in | D．give off |
_______ the teachers in the school is one hundred, and ________ of them are women teachers.
| A．A number of; four-fifth | B．The number of; four-fifth |
| C．A number of; four-fifths | D．The number of; four-fifths |
---Can you tell me whom the book ________ in April, 2012?
---Sorry, I don’t know.
| A．was written by | B．was written | C．is written | D．is written by |
My cousin used to ________ online too late, but now she is used to ________ to bed early.
| A．chat; go | B．chatting; go | C．chatting; going | D．chat; going |