I don’t know if she __________, but if she __________ I will let you know.
| A．comes, comes | B．will come, will come |
| C．comes, will come | D．will come, comes |
This event not only raised _______ of world hunger, but also raised lots of money to help starving children.
| A．information | B．knowledge | C．instruction | D．awareness |
____________ you may be right, I can’t altogether agree.
| A．While | B．As | C．If | D．Since |
The emergency req
uired that all the tasks _____ at least two days ahead of time．
| A．to complete | B．should complete | C．be completed | D．should have been completed |
| A．introducing | B．introduced | C．being introduced. | D．introduce |
