The driver saw an old man _______ on the side of the road .A.lie B.lay C.lying
We'd better waitmore minutes. I think Jeff will come soon,
_____ will be less pollution if we try our best to protect the environment.
This school is differentothers. It has many out-of-class activities.
Therelots of people at the restaurant when 1 got there.
How long have you _____ like this ? ______ last week.