—Listen! Is it Linda singing in the next room? — No, it __________ be her. She is still in Shanghai.A. can't B. couldn't C. may not
We were all ________ favor of this plan after we discussed for about two hours.
Frank looks very worried today. There must be ________ wrong with him.
As students, we should work hard and do ________ best to realize our dreams.
Some naughty boys like to play ________ trick on their classmates on April Fool’s Day.
Which of the following underlined parts is different in pronunciation from the others?