The factory ______ its waste into the river, but now it deals with the waste in a new way.
| A．used to dump | B．is used to dump |
| C．used to dumping | D．is used to dumping |
You could ask the teacher for help.
________________ Teachers are always helpful.
| A．I think so. | B．I disagree. |
| C．I am afraid not. | D．I don’t think so. |
--- My dream is to be a scientist.
--- Sounds good. I hope it will .
| A．come on | B．come in | C．come true | D．come out |
Would you like to go fishing with me? Sorry. I have lots of homework ____
| A．to do | B．do | C．doing | D．did |
Linda used ______long hair. Now she has short hair.
| A．having | B．to have | C． has | D．had |
The children are _______ in studying.
| A．interest | B．interesting |
| C．interests | D．interested |