The boy seized a stick and ___ the dog, but it ran away.
| A．beat | B．struck at | C．hit | D．knock at |
.The suggestion has been made _____the basketball game _____put off .
| A．for ;to | B．that ; be | C．which ; should be | D．to ;being |
. They did everything they could to prevent the pollution ______ the river.
| A．protecting | B．to protect | C．from being protected | D．from protecting |
. Could I have a word with you, mum?
— Oh, dear, if you ______.
| A．can | B．may | C．must | D．should |
. All but one _______ take part in the conference ______ tomorrow.
| A．is going to; that is to take place | B．are going to; that is about to take place |
| C．are going to; that is to be taken place | D．are going to; which is to be held |
The fire was finally ______ after the building had ______ for two hours.
| A．put off; caught fire | B．put away; been on fire |
| C．put out; been on fire | D．put out; caught fire |