Please listen to the teacher as _______ as you can in class.
A .careful B. carefully C .careless D. care
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
