Many students today suffer from ________ problems, since they are under too much pressure.
| A．recreation-related | B．pollution-related |
| C．stress-related | D．pollution-free |
If you buy more than ten, they knock 20 pence off .
| A． a price | B． price | C． the price | D． price |
You’ll find this map of great ___________in helping you to get round London.
| A．price | B．cost | C．value | D．usefulness |
It is generally believed that teaching is ___________it is a science.
| A． an art much as | B．much an art as | C．as an art much as | D．as much an art as |
—John, there is_______Mr. Wilson on the phone for you.
—I’m in bath.
| A． a; the | B． the; a | C． a; 不填 | D． the; 不填 |
The police are offering a __________to anyone who can give information about the lost key.
| A． price | B．prize | C．reward | D．money |