______ their return, they were praised as national heroes.
| A．At | B．By | C．On | D．With |
Jim said that he would not mind__.
| A．to drive for you | B．drive for you | C．driving for you | D．about driving for you |
Many black children died ___ cold and hunger in Africa.
| A．of | B．in | C．on | D．for |
His English is very poor.He can’t make himself ___.
| A．understand | B．understood | C．understanding | D．to understand |
16.Nobody knows who is the first one to add fertilizer ___ the soil to make plants grow better.
| A．to | B．in | C．into | D．on |
It was five o’clock.The battle is still ___.
| A．in | B．on | C．over | D．beneath |