Sarah是班长,老师走进教室准备上课,她应该这样说:A. Sit down. B. Stand up.
___________is my pen? It ‘s on the desk..
___________book is it? It is mine .
____________is it? It is 5 o’clock.
What do they like ___________.
My uncle _______ to work. A. driveB. driver C. drives