If you _______ go, at least wait until the storm is over. (2011 .辽宁）
| A．can |
| B．may |
| C．must |
| D．will |
—Why are your eyes so red？You________have slept well last night.
—Yeah，I stayed up late writing a report. (2013·四川，5)
| A．can’t | B．mustn’t |
| C．needn’t | D．won’t |
I should not have laughed if I________you were serious. (2013·江苏，30)
| A．thought | B．would think |
| C．had thought | D．have thought |
It ________be the vocabulary that caused you the problem in the exercise because you know a lot of words. (2013·安徽，34)
| A．may | B．couldn’t |
| C．should | D．needn’t |
I________to my cousin’s birthday party last night，but I was not available. (2013·安徽，28)
| A．went | B．had gone |
| C．would go | D．would have gone |
—The town is so beautiful！I just love it.
—Me too.The character of the town is well________. (2013·江苏，23)
| A．qualified | B．preserved |
| C．decorated | D．simplified |