Mary quickly closed the door of her room _______ her father could reach it to keep him out.
| A．before | B．when |
| C．as | D．while |
Can it be in the drawer ________ you put your keys?
| A．where | B．that | C．what | D．when |
---We all had a lot of fun at the barbecue yesterday. Pity you weren’t there.
---I really should have gone with you, but I ________ on some remaining problems.
| A．was working | B．would work | C．worked | D．had worked |
________ for the fact that she broke her leg, she might have passed the exam.
| A．Hadn’t it been | B．Had it not been | C．Was it not | D．Were it not |
We need an effective strategy to help children living in poverty to have the opportunity to receivegood education．
| A．/;a | B．a;/ | C．/,the | D．the; a |
Planning so far ahead ________ no sense---so many things will have changed by next year.
| A．makes | B．made | C．making | D．make |