Sarah是班长,老师走进教室准备上课,她应该这样说:A. Sit down.B. Good morning.C. Stand up.
( ) Here ____ come . A. weB. us C. our
( ) Is it _____ camera ? A. you B. your C. yours
() I want to _____ home . A. go B. goes C. go to
( ) It is _____ fan . A. he B. she C. her
( ) ___ umbrella is this ? A. Who B. Whose C. What