—Tom must be at home because the light in his house is on.—He ____ be at home, because I saw him playing basketball on the playground.A. must B. can’t C. mustn’t
----Where is Mr. Chen.? ----is in the classroom.
按字母表的顺序,排列正确的一组是。
---What’s this in English? --- _______.
-- What’s the weather like _______ winter? --- It’s _____.
I ______ Mary. This ______ Tom.