–Sorry, Professor Smith. I didn’t finish the assignment yesterday. --Oh, you _____ have done it as yesterday was the deadline. A. must B, mustn’t C, should D. shouldn’t
The purpose of our advertising is to _________ customers’ attention to our products.
Dad is used to _________. There's no chance that I'm able to persuade him into giving it up.
—What a pity ! I haven't got a ticket for the football match tonight. —Don't worry. It will be broadcast _________ tonight.
There seems to be something wrong with Tom. It is not _________ of him to be so critical.
There is no doubt _________ Qu Yuan has become an everlasting monument in the history of Chinese literature.