—Why didn’t you go to yesterday’s meeting? —I would have but I ______too busy working on the important experiment.
—I really admire the people full of ______.I'm always tired.—You'd better take more exercise.
I saw Bob play the piano at John's party and on that ________ he was simply brilliant.
At the meeting they discussed three different ________ to the study of mathematics.
It is said that dogs will keep you ________ for as long as you want when you are feeling lonely.(江西高考)
It is no ________ arguing with Bill because he will never change his mind.(全国高考)