the problem of land erosion（侵蚀）getting more serious, the local government is searching for a way to deal with it.
| A．As | B．With | C．When | D．If |
For more information, please send an e-mail, ____ you can also include your advice to us.
| A．when | B．where | C．which | D．that |
We have just heard a warning on the radio _____________ a typhoon may be on its way．
| A．what | B．when | C．which | D．that |
I will spend half of my holiday practicing English and _____________ half learning drawing．
| A．another | B．the other | C．other’s | D．other |
I ______________ have passed my examination easily，but I made too many stupid mistakes．
| A．must | B．will | C．shall | D．could |
Mom，don’t you think it's OK to play once in a while ____________ it doesn’t affect my studies?
| A．even if | B．unless | C．so that | D．as long as |