Nowadays new taxi apps（打车软件）_ _ to help people travel around more easily.
A. are used B. use C. used D. is used
Mr. and Mrs. Wang _ _dinner when the light in the kitchen went out suddenly.
A. had B. are having
C. were having D. will have
“Red envelope” fever on WeChat_ _ the country since January 26, 2015.
A. swept B. has swept C. sweeps D. will sweep
People in other countries are becoming more interested in . _ _Chinese characters.
A. learned B. to learn C. learn D. learning
Lee Kuan Yew encouraged Singaporeans to smile and speak good English, _ _ he?
A. didn't B. did C. doesn't D. does
_ _ nice film Wolf Totem (狼图腾） is! I'd like to see it again if l am free.
A. How B. What an C. What D.What a
