41. While I was in the university, I learned taking a photo,()is very useful now for me.

47、He plays bowling much ____________than he did three years ago.

46、I＇ll have a cup of coffee and _____.

45、My father is leaving ______Shanghai tomorrow.

44、One and a half hour _______since we arrive. No one has come to meet us.

43、We＇ll go for a picnic if it ________tomorrow.

42、Do you regret paying five hundred dollars for the painting?
No, I＇d gladly have paid __________for it.

41、The old man lives _______. He always feels ________.

40、We were all surprised when he made it clear that he _____________office soon.

39、Stars have better players, so I _______them to win.

38、A computer can only do _______you have instructed it to do.