There are about five _______ young trees on the hill.
A. hundred B, hundreds C. hundred of D. hundreds of
In old China, the poor suffered from cold and hunger ________ the rich enjoyed all the good things of life.
| A．as | B．when | C．while | D．therefore |
The bus stop is just ________ the road. You can’t miss it.
| A．across | B．through | C．on | D．beyond |
Now people have come to realize ________ harmful pollution is.
| A．that what | B．it | C．that how | D．how |
Be sure _______ when you enter the cave. Otherwise, you’ll hit your head on the rocks.
| A．to bend | B．bends | C．will bend | D．bending |
---Can I park my car here?
---Yes. You can park on ______ side of this road.
| A．either | B．neither | C．both | D．all |