30．—Peter looked tired and a little absent-minded at the meeting．
—He _____ up too late．
| A．may stay | B．could stay |
| C．should have stayed | D．must have stayed |
—How about camping this weekend,just for a change?
—OK,___you want
| A．whichever |
| B．however |
| C．whatever |
| D．whoever |
To improve the quality of our products,we asked for suggestion___had used the products
| A．whoever |
| B．who |
| C．whichever |
| D．which |
What’s the___,in your opinion,of helping him if he doesn’t make an effort to help himself?
| A．sympathy |
| B．theme |
| C．object |
| D．point |
He was a good student and scored___average in most subjects
| A．below |
| B．of |
| C．on |
| D．above |
My schedule is very___right now,but I’ll try to fit you in
| A．tight |
| B．short |
| C．regular |
| D．flexible |