111. Trees are cut down merely for fuel and wildlife is killed simply for food. It is time to ____ an end to waste.
| A．call off | B．call for | C．call in | D．call on |
— ________ do you think it was ________ made Jane so cross?
—Being looked down upon in public yesterday.
| A．When; who | B．Who; that |
| C．Which; what | D．What; that |
Many people in the west make ________ a rule to buy Christmas presents for their relatives and friends.
| A．this | B．it |
| C．that | D．them |
Has ________ been decided when we are to hold the sports meeting?
| A．that | B．he |
| C．it | D．what |
The doctor kept telling him that he mustn’t smoke, but ________ didn’t help.
| A．he | B．which |
| C．it | D．they |
Don’t leave your keys in the car. Someone might steal ________ 。
| A．one | B．that |
| C．this | D．it |