After he left his hometown, his family seemed to have a lot ______ .

Mum， must I take out the rubbish now—No， you _____. You may take a rest first.

Where’s your brother，Jane—He’s not in Chongqing these days．He Beijing．

_______ the extreme levels of air pollution, city authorities have started to take measures to quickly reduce pollution levels and protect city dwellers.

trol in the car ____ on our way to the beach, sowe had to walk there.