When I got to the checkout counter, I realized I didn’t have enough money, so I kept ______ I really needed and left the rest.
It’s time that I ______ home, but I’m enjoying myself, so I will stay here a bit longer.
–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’t send her an invitation. I wish I _______ her new address.
Although it is _____ to watch programs on TV sometimes, I think people shouldn’t spend all the time watching it.
—Were you surprised by the ending of the film? ----No. I ______the book, so I already knew the story.