---Mr.Smith,I wonder if I could take the Friday off?
---______? It's a bit difficult with so many people away on holiday,you know.
| A．Why are you doing so | B．Do you really have to |
| C．Where are you going | D．Do you feel it necessary |
Your brother be hungry now.-----he had lunch only two hours ago!
| A．wouldn’t | B．can’t | C．mustn’t | D．needn’t |
AIDS is said the biggest health to people in that area over the past few years.
| A．that is | B．to be | C．that it has been | D．to have been |
With a lot of problems ________, the newly – elected headmaster is having a hard time.
| A．settled | B．settling | C．to settle | D．being settled |
Soon after getting off his horse, the man appeared at the second storey windows, __he could see nothing but trees.
| A．from which | B．from where | C．in where | D．which |
Tom was very angry about ________ to Mary’s birthday party.
| A．not inviting | B．being not invited | C．not being invited | D．not to be invited |