Bob， __________ my teacher, Miss Hu. Miss Hu, ___________ my brother. 

Look at those dogs. _______ are not _______dog.

—What a surprise! Harry used to get nervous because he couldn’t organize his ideas well _________ to express _________ clearly.—Great, havent’t you heard, “Where there is a will, there is a way.” Let’s give him a big hand.

—Who’s that?—My sister. ______ works in a factory.

Please send ______ my best wishes when you go to visit your grandparents.