43. Some teachers today are                     (對(duì)學(xué)生的要求過于嚴(yán)厲) .(hard)

42. It's               (把這張漂亮的桌子用桌布蓋起來真是可惜) .( shame)

41. You have to              (等上幾個(gè)小時(shí)讓這些衣服干透) .( couple )

40. —Mary is going to my house for dinner tonight.

—You                  (應(yīng)該盡你所能讓她有賓至如歸的感覺) .(suppose)

39.             (如果你戒掉酒) ，you'll feel much healthier. (cut)

38. It is the parents'job             (在家中為他們的孩子提供一個(gè)干凈、舒適的環(huán)境) .(provide)

37. The old man              (習(xí)慣了住在鄉(xiāng)村的) will feel lonely in the city.(use)

36. We should                    (努力幫助保護(hù)動(dòng)物) .(effort)

35. You can discuss your problems with your parents                (因?yàn)樗麄冇性S多經(jīng)驗(yàn)) .(have)

34. The environment              (將會(huì)處在極大的危險(xiǎn)之中) .(be)