Desertification，the name for ______ happens when farmable land is turned into desert，is a growing world problem.
| A．which | B．where | C．what | D．How |
The driver tried to ___ the accident by stopping the car suddenly.
| A．cause | B．control | C．prevent | D．stop |
Keep the picture carefully, it ___ a lot of money.
A is worth B. worthed C. is worthy of D. worths
His good salary __ him to live in a lovely country house.
| A．lets | B．enables | C．persuades | D．makes |
I must leave for my home town tomorrow as my parents are ___ me to arrive on Sunday.
| A．expecting | B．waiting | C．waiting for | D．expecting for |
She wants to get a better ___ and earn more money.
| A．work | B．employ | C．employment | D．job |