一．单项填空(本题有10小题，每题1分，共10分)
1.Cathy was very happy to meet _____old friend on the plane to Paris.
A.a B.an C.the D./
2.There are some_______in Dayton Art Museum,For example,no food or drinks is allowed inside.
A.jobs B.records C.rules D.paintings
3.Leo was so__________that he rushed to the kitchen ,hoping to find something to eat.
A.thirsty B.hungry C.tired D.sleepy
4.Alice likes doing housework.She ________her room every afternoon.
A.cleans B.cleaned C.is cleaning D.has cleaned
