As it turned out to be a small house party, we _______ so formally.
| A．needn’t dress up | B．didn’t have to dress up |
| C．might not have dressed up | D．needn’t have dressed up |
29.On weekends when Dianna comes back home from school, she eats everything in ______．
| A．scene | B．sight | C．view | D．Range |
28．In most cases, customers can't help ______ to buy things they actually do not need．
| A．to persuade | B．to be persuaded | C．persuading | D．being persuaded |
27．What do you think of his suggestion ______ we organize a football club?
| A．which | B．whether | C．that | D．What |
26．— How is the campus cleaning going?
— We've cleaned it up, ______ at least most of it．
| A．and | B．then | C．or | D．Nor |
25．— Could you have the report ready by Friday?
— I ______ think so．
| A．may | B．should | C．will | D．Can |