What time does he ________ TV—At eight o’clock.

The teaching building of our school_____ for many times

He went to Shanghai ___________ September , and came back ______ the morning _________ October 4.

一Does David like to exercise—Yes. He can do many sports, _____________soccer, basketball and tennis.

The sicentific research on how to protect the rare animals is ________Many scientsts are working hardto find new way to raise the animals by man.[ ]