.It requires _________ your willingness to do the job.It also requires a lot of mental effort.
Without proper lessons, you could ___ a lot of bad habits when playing the piano.
Though he is busy, music has always been _______ his work.
It’s high time that we _____ measures to stop selling polluted vegetables.
East of our city ______ a world-famous pagoda dating from Tang Dynasty.
--- Did your boss phone you again the next day? --- No, it was a fortnight ____ he gave me a second call.