He never _______ hamburger _______ sweets.

I hope that I will have millions of dollars and I can buy my private (私人的) plane. — ________.

d man, ________ abroad for twentyyears, is on the way back to his motherland.

Hurry up! Look at the timetableFlight 158 ______ off at 12:20.[ ]

Scientists _______ a lot of experiments on animals, hoping to find and effective way to cure the patients who had AIDS.