( ) — I come in? —Come in,please. A. Do B. Am C. May
( ) It’s time for _______.
( ) I _______ to school by bus this morning.
( ) —Can you sing a song in English? —No, I __________.
( ) He has two basketballs. One is new, __________ is old.
( ) Bruce, look at your dirty shoes. You’d better __________ them right now.