【正文】
cture _____ nice.A. looks B. is looked C. look D. is looking47. Don’t smoke until the plane ______ off. A. takes B. took C. was taken D. is take 48. You’d better ______ at home and ______ your homework. A . to stay, do B. stay, do C. to stay, to do D. stay, to do 49. We _____ obey the traffic law and learn to protect ourselves.A. may B. should C. can D. need50. Mary _____ on shoes when she ____ them.A. tries…buys B. tries… buies C. trys… buys D. trys… buies51. The girl often ______ cold when she ______.A. caths…dances B. catches… dances C. catchs…dances D. catches… dance52. _____ he ____ himself there? No, I don39。t think so. A. Do…enjoy B. Does… enjoies C. Does… enjoys D. Does…enjoy53. _____ your teacher ____ from them very often? Certainly.A. Do…h(huán)ear B. Does…h(huán)ear C. Do… receive D. receive54. _____ your mother _____ some cleaning on Sundays?A. Does…does B. Do…does C. Does…do D. Do… do55. _____ Tom _____to work hard to help his family ? Yes, he _____.A. Has… x…does B. Has…x…does C. Does…h(huán)as…h(huán)as D. Does… have…does Keys to the exercises:140 BBBCB CCDBA CBCAB DCDADADBCC CDCBA DDCDD DCBDB 4145CBACB4650 AABBA 5155 BDBC