I live in ____ northeast of China.
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What ___ interesting book it is!
A. the
B. an
C. a
We are going to have an exam ____.
A. in the class
B. in class
C. in a class
There is no ______ book on the desk.
A. the
B. a
C. /
There is _____ bridge over the river. _____ bridge is made of stone.
A. a,a
B. a,the
C. the,the