There are so many foggy days these days. We all wonder .A. how is the air polluted B. why the air is polluted seriouslyC. what are the real reasons
The teacher asked Lucy__________.
Miss Li was_____ that she left her keys in her room.
--- Jack hasn’t paid for the school things,has he? 一________ .His father will pay for him.
–I want to return the book to John, but I can’t find him. --He______ the library. You can find him there.
You have to make a _____.Are you going to eat out or cook by yourself?