--Do you think ________ ending of the story is surprising?
--No, not at all. I can guess it.
| A．a | B．an |
| C．the | D．不填 |
There are lots of _____that students have to follow in school.
| A．exercises | B．problems | C．skills | D．rules |
Fresh food is good for you . But you have to _______it first because sometimes it is a little dirty.
| A．taste | B．smell | C．wash | D．plant |
There will be less pollution ___more people use public transportation .
| A．but | B．though | C．unless | D．if |
Our teacher was very happy because _____failed the examination.
| A．somebody | B．nobody |
| C．anybody | D．everybody. |
Daniel, ___ play with the mobile phone while you're walking in the street.
| A．don't | B．doesn't | C．won't | D．can't |