—Mom,dad is smoking again!—Well,let him cut it ________ gradually since old habits die hard.
He ________ to the lab than he set out to do the experiment.
— Did you know any Chinese, Joyce, before you arrived in Beijing? — In fact, never _______ it.
I don't know what to_________at the university. I can't make any forecasts about my future.
How long ___ to finish the work ?
Many students were watching the story of the heroes from Changjiang University on TV, ________ moved to tears.