________about her son’s future, the mother has been sleeping very badly these months.
A. Concerning B. Concerned C.To concern D. Having concerned
A ____will be offered to the information leading to the arrest of the bank robber.
A. price B. fund C. reward D. profit
When we are getting excited, angry or scared, our bodies also ______many physical changes.
A.go over B.go around C.go through D.go far
History is the best teacher. It ______records the development path of each country and foretells the future to us.
A. apparently B. conventionally C. faithfully D. eventually
---You needn’t take an umbrella. It isn’t going to rain.
---Well, I don’t know. It __________ do.
A.might B.need C.would D.should
Don’t you realize the ________these chemicals are doing to our environment?
A.shelter B.track C.damage D.ouline
