You’d better ____ smoking, for it does great harm to your health.

wo sons ______ in Afghanistan, John and SusieMayes are working extra hard this year to make sure their grandchildren have agreat Christmas

English songs are fun. But ________ that, they’ll help you improve your English skills.

The meeting ______ next Thursday mainly aims to dealwith the problems related to teenagers’ mental health.

He feels happy that he can earnhedid ten years ago