170. Believe in yourself and be _____ you are.
—You learned to drive a car quite young, didn’t you?—Yes, my father _______ me when I was thirteen.
They said good-bye, little knowing that they _______ again.
Look at the timetable.Hurry up! Flight 4026 _______ off at 18:20.
My mind wasn’t on what he was saying so I’m afraid I _______ half of it.
The first use of atomic weapons was in 1945.And their power _______ increased enormously ever since.