—Where’s Jack?
—He’s left a ________ saying that he will be back in a minute.
A.message B.news C.information
Bill doesn’t like the sunglasses because they can’t ______ the sun well.
| A．take out | B．keep out | C．find out | D．look out |
The river smells terrible. People must_____ dirty things into it.
| A．be prevented to throw | B．prevent from throwing |
| C．prevent to throw | D．be prevented from throwing |
—Do you like doing sports , Joe?
—Of course. We can’t keep healthy_____ taking enough exercise.
| A．without | B．by | C．for | D．With |
In China , people are supposed to ______ instead of_____.
| A．shaking hands; bow | B．shaking hands; bowing |
| C．shake hands; bow | D．shake hands; bowing |
— How does Jack usually go to school?
— He _____ ride a bike, but now he ______ there to lose weight.
| A．used to; is used to walk | B．was used to; is used to walking |
| C．was used to; is used to walk | D．used to; is used to walking |