39. Di you noticed the guy()head looked like a big potato?

49、What will be the population of our country by the end of __________.

48、How many students ________in your class?

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.