It is ______ to spend money in preventing illnesses by promoting healthy living rather than spending it trying to make people ______ after they are ill.

Lu Jialei ， 14， from Hangzhou Foreign Language School ， won first place in the CCTV Chinese Character Spelling Contest (汉字听写大会).

Every evening after dinner, if not ___ from work, I spend some time walking my dog [ ]

Would you please _____the paper for me and see if there are any obvious mistakes?

They are trying to make sure that 5G terminals ________ by 2022 for the Beijing Winter Olympics.