Nowadays I can choose online courses and study by__________.

They were filled with joy whenthey Chinese soil in late July

It is all agreed that a good education doesn’t ________ a good job.[ ]

Do you enjoy Han Lei’s songs– Yes. He is the winner of I’m Singer II. I can’t think of anyone with a ______ voice.

It is reported that the United States uses ________ energy as the whole of Europe.