It is unbelievable that MrLucas leads a simple life __his great wealth

Could you tell me this winter holiday— We plan to go and see the beautiful Ice Festival in Harbin.

he newly-discovered star was named _____ a Chinese astronomer ________his contributions to astronomy

Did Jack come back early last night?— YesIt was not yet eight o’clock ______ he got home.[ ]

What’s the low-carbon(低碳的) lifestyle like—Save energy, and produce carbon.