You _______ things about. Look, what a mess in your room.
| A．always throw | B．have always thrown |
| C．are always throwing | D．have always been throwing |
A new approach is suggested by the health expert effectively losing weight.
| A．on | B．about | C．for | D．to |
I a report about the air pollution in my hometown all the morning and haven’t finished it yet.
| A．wrote | B．have been writing |
| C．was writing | D．have written |
It is I who going to have a trip to New York this summer.
| A．am | B．are | C．is | D．be |
I am determined to get a ticket for the concert it means standing in a line all night.
| A．now that | B．even if |
| C．as if | D．so that |
You have seen Helen in her office this morning because she’s been out of town for two weeks.
| A．needn’t | B．mustn’t |
| C．mightn’t | D．couldn’t |