Many countries are in great need of natural gas, wind and other forms of ________.
A. power B. source C. energy D. material
Good heavens! There you are! We were all ________ about your safety. We were expecting you to come back much earlier all through the night.
A. curious B. concerned
C. upset D. interested
________you eat the correct foods ________ be able to keep fit and stay healthy.
A. Only if; will you B. Only if; you will
C. Unless; will you D. Unless; you will
—He says that my new car is a ________ of money.
—Don't you think those words are just sour grapes?
A. lack B. load C. question D. waste
Nobody can deny that a fine house is a ________ of status and wealth.
A. symbol B. resource C. sign D. force
—Her father is very rich.
—________ She wouldn't accept his help even if it were offered.
A.What for? B. So what?
C.No doubt. D.No wonder.
