The patients need special care in winter, as they are to the sudden changes of weather, and they are likely to catch a bad cold.
In the last few years,China ___ great achievements in environmental protection.
He is a shy man,___he is not afraid of anything or anyone.
Opposite is St.Paul's Church,___you can hear some lovely music.
The park was full of people,____themselves in the sunshine.
—Did you enjoy the party?--Yes,we___by our hosts.