Apple and Microsoft _______ with each other for the world market to sell more PC with their own free software.
| A．compare | B．compete | C．fight | D．deal |
It was in the street where a serious accident happened last week ______another happened yesterday.
| A．which | B．that | C．what | D．how |
We all know that a bright future will ______those who always look ahead instead of looking back.
| A．belong to | B．happen on | C．lead to | D．turn to |
We ________the difficulty together, but why didn’t you tell me?
| A．should face | B．might face | C．could have faced | D．must have faced |
He gave the old couple a lot of money and didn’t expect to receive anything ______for them.
| A．in all | B．in fact | C．in return | D．in short |
The math problem seems very easy, but in fact it is very difficult_______.
| A．to work out | B．being worked out | C．working out | D．to be worked out. |