73.If you don’t understand a word while reading, you can _____ your dictionaries.

第四节：

Ⅵ.单句改错(共10小题；每小题1分，满分10分　)

72.There was _________ books and shoes on the floor.

71.He _____________food and clothing __________the Red Cross.

70.When are you going to ____________ this news to your classmates?

69.We should try our best to ______ ourselves _______the bad habits.

68.Our teacher ________ us　 in our studies.

67.It’s clear that his bad habits _______ this serious disease.

66.The library is still ___________.

65.When he was a child, he __________ popular music.

64.The noise in the street _________ our work last year.