Describe a time you used smartphone to do something important(5-8月新)

(4719期)你喜欢坐在地(板)上吗Do you like sitting on the floor

(4718期)为什么人们不喜欢线上教育Why do people dislike online education

(4717期)自行车是否会持续流行Will bicycles continue to be popular in the future

(4716期)你多久看一次电影How often do you watch movies

(4715期)青少年读书重要吗Is it important for teenagers to read

(4714期)和邻居交朋友了吗Have you made friends with your neighbors