_____ to sunlight for too much time will do harm to one’s skin.
Scientists say it may be five or six years _____ it is possible to test this medicine on human patients.
— What do you want to do next? We have half an hour until the basketball game. — ______. Whatever you want to do is fine with me.
—Excuse me, Tom. How many miles is five kilometers? —Sorry. _______
—Does Thomas agree to go with us? —No, despite our efforts to _______ him.
Our job is with _______ hours: one can work in the morning or in the afternoon, so long as work for no less than five hours every day.