–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
I can think of many cases_______students obviously knew a lot of English words and expressions but wouldn’t write a good composition.
However much _______, it will be worth it.
—Such a mistake could have been avoided. —Unfortunately, he_______the mistake again and again
—I hear that you will be on travel again. —Yeah. My boss_______for me to discuss business details with someone from another company.
According to the weather report, it is going to______ rainy next week.