They dug ,then put the box in it.
| A．a three feet deep hole | B．a hole of three feet |
| C．a three feet deep hole | D．a hole of three feet deep |
_________you’ve known the importance of it, you should try your best to do it.
| A．So that | B．Now that | C．Now then | D．After that |
I met her ________in a crowded bus.
| A．with an accident | B．by accident | C．in accident | D．by an accident |
The reason why we were so late is________
| A．because of the car’s breaking down | B．That the car breaking down |
| C．because the car broke down | D．that the car broke down |
Believe it or not, he’ll cheat if he thinks he can ______ it.
| A．catch up with | B．catch sight of | C．get along with | D．get away with |
Never form the habit of smoking because it ______ human beings.
| A．does harm with | B．is harmful to | C．is harm for | D．does harmful to |