Food safety is important. Rules to stop people from food pollution.
It is not polite ____ in public places.
The girl saw a snake ____ on the road and was frightened.
—Is there ____ in your exercise book today?—No, Mom. I did it very carefully.
—Does Ted tell you ____ he will come next week or not?—No, he doesn’t. But ____ he comes, I’ll give you a ring.
The old man lives ____ but he doesn’t feel ____.