—What’s favorite subject? —Her favorite subject is math. A. Mary B. she’s C. Mary’s
— All the students are working hard now.—_______. Because all of them want to go to good colleges.
The English teacher isn't here. She ________ to the office.
The physics teacher said that light _______ much faster than sound.
—Could you tell me _______ it take to go from here to Harbin by car?—About fifty minutes.
The mixture smelt terrible, but the little boy _______ taste it.