E-mail is much ______than long-distance calling.
A. cheaper B. cheap C. the cheaper D. cheapest
I believe ____________, because he is ________honest man.
A. the words he says; a B. what he says; an
C. he says what; the D. what does he say ;an
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
