你想问对方正在吃什么,你应说:A. What are you eating ? B. What are you doing ?
______ is your father?-He’s a doctor. A. Who B. What
What’s ____? It’s a tomato. A. this B.these
Who’s she?- She’s my ________ A.mother B. father
What are these? They are _________. A. bean B.beans
What can you see?- I can see_______ A. a potato B. potato