在美国,如果发生火灾时应该拨打:________。(5分)A.oneonenine B.ninenineone C.nineoneone
He _________ a lot of work to do every day. A. have B. has C. have to
Look, it _________. A. rained B. rains C. is going to rain
A plane is ________than a car. A. more fast B. much fast C. much faster
Did you _________ this book last week.? A. bought B. got C. buy
Li Ming and Zhang Hua _________ to school together every day. A. goes B. go C. are going