Wow!____clean air we have today!
Yes． Look! A lot of adults are doing kung fu over there（ ）
| A． |
How |
B． |
What a |
C． |
How a |
D． |
What |
We should protect the earth because it is ______ home．（ ）
A．weB．usC．ourD．ours
Work hard， _______ you'll have a big success．（ ）
A．orB．butC．andD．yet
The Yangko Dance is ________ traditional Chinese folk dance created by the farmers．（ ）
A．aB．anC．theD．/
How is your English going？
．I can read pretty well and my writing has improved．（ ）
A．Not badB．Not yet
C．Not at allD．Not any more
Linda was busy when I went to see her yesterday． She for an exam．（ ）
A．will studyB．was studying
C．has studiedD．is studying