（题文）（2017年山东青岛）Teenagers have to be 18 years old before they_____ to drive a car.
A. are allowed B. . will be allowed C. . allow
（2017 • 安徽）Mr. Green _________ to sing an English song at the party and he sang well.
A. was invited B. invited C. is invited D. invites
—Do you know her well?
—Sure. We ________ friends since ten years ago.
A. were B. became
C. has become D. have been
--- How do you usually go to school?
--- I to school on foot.
A. go B. went C. was going D. will go
In the past few years, many schools ______ the ways of doing morning exercises.
A. change B. changes C. will change D. have changed
I don't know if Eric ________ this Sunday. If he ________ here，I'll call you at once.
A. will come；will come B. come；comes
C. comes；will come D. will come；comes
