Experts say walking is one of the best ways for a person to _____ healthy.
| A．preserve | B．stay | C．maintain | D．reserve |
For _____ information about present national boundaries, wed better refer to an up-to-date map.
| A．frequent | B．practical |
| C．reliable | D．beneficial |
The boy _____ love with the toy the moment he saw it.
| A．came in | B．brought in |
| C．took in | D．fell in |
With a good _____ of French and English, Maggie got the job in the international company.
| A．request | B．usage | C．command | D．quality |
I know you didn’t break the vase _____. Don’t cry!
| A．on purpose | B．at an end |
| C．out of work | D．in ruins |
Although the wind has _____, the rain remains steady, so you still need a raincoat.
| A．turned to | B．set down |
| C．died down | D．blown up |