He met many problems—— he was goingover his lessons.

58 It is said that a collection ofpaintings by David is _____ exhibition at the Museum

I’m sorry to hurt your heart,but I’m not________.[ ]

will be a talk show this time tomorrow Wouldyou go with me –I’m sorry,but I _____an importantmeeting

__ on the top of the hill is amonument, dating back to hundreds of years ago