Our city is one of _________cities in china.
A. the biggest B. biggest C. bigger D. the big
It is necessary for us _______them every day.
A. looking after B. to look after C. look after D. to looking after
I ______ go to bed ______ my father came back.
A. won’t, until B. didn’t, until
C. will, until D. /, when
_____ big fish they are!
A. What B. How C. What a D. How a
You ______ be polite to the old man.
A. should B. can’t C. might D. mustn’t
If tomorrow______________ fine, we’ll grow the flowers.
A. is B. be
C. will be D. is going to be
