WTO是_________.
A．中央电视台B.世界贸易组织 C.联合国
---Jim, these are my friends.
---_________________________.
A.Thank you.
B.Nice to meet you.
C.I’ m your friends.
----Tom, thanks ________ your pencil.-
----You are welcome.
A.of B.at C.for
---Is Tom your uncle?
---No, ____________.
A. Tom isn’tB. He isn't C. he isn’t
---Are __________your parents?
---Yes, they are.
A. thisB. that C. these
This ________ Zhao Lin , Miss Brown .
A. is B. are C. am
