—How often do you see your grandparents?—_______.A. Five days B. Once a month C. In a week
— 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.