— What a nice model car! — Thanks a lot. It            me the whole day to make it.

—— Could you help me_______ when the plane will take off on the Internet ?—— I’m sorry , my computer doesn’t  work.

——What’s your mother?——She_________ a teacher, but now she is a doctor.

—Do you know Tom?—Sure, we have ______in the same village for many years.

This kind of animals has nearly _____ because their homelands are gone.