— does your father wash his car?
—Once a week.
| A．How much | B．How often | C．How many | D．How long |
In our class, about ______ of the students are girls.
A. three fifths B. third fifth C. third fifths
One-child policy has ______ controlling China’s population.
A. did well in B. worked well in. C. worked good in
Mrs. White isn’t here. She ______ London.
A. has been to B. has gone to C. went to
--Do you often read English magazines?
-- No, because I find the words _____the magazines too hard ____ me to understand.
| A．in, for | B．on, for | C．in, of | D．on, of |
Please ___ the computer with a piece of cloth , or it will get dirty
| A．play | B．wash | C．set | D．cover |