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
— Can you tell me when you are going to arrive there?
—I’m not sure. But I’ll ring you up as soon as I _____there tomorrow.
A. arrive B. arrived C. will arrive D. am going to arrive
（2012江苏南京）—I saw Mr Smith in the office at ten yesterday morning．
—That’s impossible．He________an English party with us then．
A. has
B. had
C. was having
D. has had
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
