—Is that your father?—No. It’s my uncle, my mother’s _____.
-- I saw Tom in the bookstore just now.-- No, it ______ him. He moved to the USA last month.A. mustn’t be B. may not be C. can’t be
-- Sara, you are late!-- Sorry, I ______ do that next time.A. don’t B. won’t C. haven’t
_______ plastic bags we use,_______ it will be to our environment.A. The less; the better B. The fewer; the better C. The fewer, the worse
Moyan got the Nobel Prize in his _________.A. fifties B. fifty C. fiftieth
Jack found ______ interesting ______ the song Gangnam Style.A. it, singing B. it, to sing C. that, to sing