她正在做什么?如何表达:A.What is he doing ? B.What is she doing?
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
______ you thirsty? A.Are B.are C.is