A little effort every day，you________ a big difference.
A. makes B. made
C. have made D. will make
（2017年山东泰安）With the development of science and technology, robot cooks ______ in our families in the future.
A. appear B. appeared C. will appear D. is appearing
—Hello, John. This is Mike. What are you doing now?
—I'm watching a football match. It started at 7：30pm and________on for another one hour.
A. has been B. was
C. will be
（2016 • 湖北省随州市中考）—Did you watch the football match on TV last night?
—I wanted to, but my father ____________ his favorite TV program.
A. watched B. watches C. was watching D. had watched
When you________ me last night, I ________the piano.
A. were calling；was playing
B. were calling；played
C. called；played
D. called；was playing
（2017年安徽）I am surprised at the new look of my hometown, for it _____ a lot over the years.
A. changed B. changes C. will change D. has changed
