—I feel _________ before the speech. —Take it easy. Sure you are the best. A . quiet B. confident C. nervous
Don’t shout at him. He _______.
I want to be a doctor when I _______.
— Which sport will you take part in? — The ______ race.
—Humans can’t live _______ air. —I agree with you.
He____know the answer, but I’m not sure. A. maybe B. may be C:may D. must