当你想问“你在做什么?”的时候,你应该说:__________________A. Who is she ?B. What is he doing?C. What are you doing ?
I like Monday because I have English class _____that day. A. in B. under C. on
_____ the tiger ______ four legs? A. Does; has B. Does; have C. Do; have
-Can you ride the bike? -No, ______. A. I can B. I can’t C. I do
A butterfly ______ two ______of wings. A. has; pairs B. has; pair C. have; pairs
Betty is ______ a word puzzle. A. solving B. solve C. working