s a very interesting book． I’ll buy it, _____．

Itis not I but Tom and his wife that ______ for the car accident.

His dog did everything he told it to do ___ a most obedient animal

Which is the longest river in China，the Changjiang River or the Yellow River—The Changjiang River. The Yellow River is river in China.

I _________ stay up late. —Really I didn’t. ButI ______ working in the night.