He walked directly towards her, and spoke to her in a low voice to avoid _____ by others.
—The guard keeps watch at the gate. —So he does. Only those knows well could be let in.
He _______ have escaped, but he chose to stay and fight.
_______, according to the instructions, the medicine, I think, will work on your headache before long.
Only after spending several nights working on the math problem to wonder whether the problem was wrongly set.
I can’t persuade him out of playing computer games. He is to them.