---Who helped Mum wash the dishes yesterday? ---Helen ______.
A. does B. do C. did D. was
---_______I come back before five o’clock?
---No, you ________. But you________ be back later than seven o’clock
A. Need; must; mustn’t B. May; mustn’t; can’t
C. Can; can’t; can’t D. Must; needn’t; can’
It is unhealthy _______ us to eat too much sweet food and it is wrong _______ us to buy sweet food every day.
A. of, of B. for, of C. of, for 
D. for, for
--- Can we meet at 9 o’clock tomorrow morning? ---Sorry, let’s make it _______ time.
A. others B. the other C. another D. other
Mr Wang_______ in 1964. He and his wife _________ for six years.
A. got married; have been married B. got married; have married
C. married; have married C. married; have got married
---Miss Zhang, I can’t find my pen.
--- If you can’t find _____, you can borrow _____ from your classmate
A. it; it B. one; one C. it; one D. one ; it
