Yesterday Liu Yun____ a mountain with her parents.A.climbed B. climb C. climbing
( ) 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.