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

He sat back on the chair, listening to the MP4 and ____.[ ]

How do you think I should respond to his words— You can do it ______ you like.

China has got a good forfighting against the flu with its careful and smooth organization

He went to New York in 2000, _________ only two years later, he became a millionaire [ ]