Trees on the hills can stop the rains from away the soil.
| A．to wash | B．washed | C．washing | D．washes |
She is so ______ towards her employees that they all respect her.
| A．considering | B．considerable | C．considered | D．considerate |
While looking for a book, I ______ this old photo taken in college.
| A．came into | B．came across | C．came up | D．came out |
Children who ______ well will be given a red flower and an apple as encouragement.
| A．behave | B．prove | C．show | D．look |
This job is ______ doing, but it isn’t ______ to spend so much time on it.
| A．worth; worth | B．worth; worthwhile |
| C．worthwhile; worth | D．worthwhile; worthwhile |
Though he is ______ orphan, he is leading ______ happy life.
| A．an; the | B．an; / | C．/; a | D．an; a |