He cleaned his room _____.
We are doingexperiment. A.a B.an C.the
The bird can't . A.fly B.sing C.swim
?I see a river. A.What do you see? B.What are you doing? C.What do you do?
are the girls? They're in the woods. A.Which B.What C.Where
a big tree. A.What B.What a C.How a