Peter is my best friend.He often helps me _____ maths.
| A．on | B．to | C．for | D．with |
The game has _______ meaning _______ you do your best to win.
| A．little; unless | B．no; if | C．a; until | D．no; whether |
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 |