＿＿＿＿＿danger man is often much wiser than usual．
| A．In a time of | B．In the times of | C．In the time of | D．In time of |
Daily expense __________ the normal level last May, and by that time the government had already taken measures to bring down the price of food.
| A．is reduced in | B．was reduced to |
| C．had reduced in | D．has been reduced to |
-If you could reduce the price __________$15，I could increase my order.
-I'm afraid the best I can do is $10.
| A．by | B．to |
| C．at | D．for |
-The cars give off a great deal of waste gas in the street.
-Yes, but I'm sure something will be done to __________ air pollution.
| A．reduce | B．remove |
| C．collect | D．warn |
__________ either you or I to look after her?
| A．Am | B．Is |
| C．Are | D．Should |
The lion is considered king of the forest as it is a（n）__________ of courage and power.
| A．example | B．sign |
| C．mark | D．symbol |