We must keep a positive attitude toward the future______we may encounter some difficulties.
It is a pity that none of the ______ stopped ______ the poor man lying there, begging.
I’d like to have these documents _______ in a minute.
--When will the meeting ________?--At about 11 o’clock.
It is not polite to make ______ those who ______ in trouble.
-Why don’t we choose that road to save time?-The bridge to it _______ .