–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 Summer Palace is really beautiful.In fact,I doubt whether China has ________ park.
I have worked with him for some time and have found that he is ________ than Jim.
There are plenty of jobs ________ in the western part of the country.
No one expected house prices to fall,but ________ that’s exactly what happened.
Let’s go to give the stranger a hand.________he’s got into some trouble.