Being kind to others should be everyone's ________of behavior;________,our world will be more peaceful and beautiful.
I should very much like to have gone to that party of theirs, but _____.
—— Sorry, I forget to post the letter for you. —— Never mind, _____ it myself tonight.
—— What were you up to when your parents came in? —— I_____for a while and_____some reading.
—— Remember the first time we met, Jim? —— Of course I do.You _____ in the library.
The vegetables didn’t taste very good.They____too long.