（ ）5. How often does Paul's mother clean the kitchen?
A .Every day. B. Twice a week. C. Once a week.
（ ）6. Which tie does the woman prefer?
A .The red tie. B. The blue tie. C. The black tie.
（ ）7 .How much did the girl spend on her e-dictionary?
A. 400 yuan. B. 450 yuan. C. 550 yuan.
