Do you want to be healthy? ______. Smiling can help you stay healthy.
________ I got on the bus, he got off.
Not only the kids but also the teacher ________. We are worried because time is running out.
My father has a habit of jogging ________ the Dongcheng River for an hour in the evening.
It is said that the terrible weather will ________ for another week.
Frank often wears a mask ________he can keep fit in the foggy and hazy (霾) weather.