—Why weren’t you at the meeting?—I ________ for a long-distance call from my aunt in America.
He hasn't come yet.What do you consider _______ to him?
Unfortunately, when I dropped in, Doctor Li _____ for Beijing to join in the fight again SARS, so we only had time for a few words.
Children’s brains can’t develop properly_______ they lack protein
This is the very toy car ________ which he came here the other day.
I began to fish before memory began, _______ I know I have always fished.