2.This is ______ picture that I bought last week.
A.as B.an C.the D.x
3.What is ______ casserole?
A.a B.an C.the d.x
4.This is ______ toothbrush.
A.s B.as C.an D.x
5.______ camel I saw at the zoo was very ugly.
A.Some B.The C.An D.X
6.Ships float ______ top of water.
A.in B.on C.at D.between
7.Running in the hallways is ______ school rules.
A.between B.against C.without d.after
8.You have to run ______ the field three times.
A.around B.for c.back D.between