当你问别人正在干什么时,应说: A、What do you do ?B、What are you do ? C、What are you doing ?
Let’s go _____ there together. A.at B.to C./
Look ______ my new bag. It is big. A.at B.in C./
Hi, Joy. Where is your sister? She is with _____. A.I B.me C.my
I hear _____. It is loud. A.a plane B.an plane C.plane
Is he tall? No, _____. A.he is B.he isn’t C.she isn’t