275.The problem with people in Africa ____that the more is given and the more ______.

A. is; is needed　 B. are; is needed　 C. is; they need it　 D. are; they need it

274.If ________ guests we have, we would need ___ food.

A. more; less　 B. fewer; more　 C. few; less　　 D. fewer; less

273.If you offer him some help this time, since he once helped you, that would be ____.

A. equal　　 B. more equal　　 C. fairer　　 D. more fair

272.Farmers grow crops either to ____their family ___to sell.

A. feed; and　 B. feed; or　 C. supply; or　 D. supply; nor

271.Products made in this factory ____ well; they have sold ___all their products.

A. sell; out　 B. are sold; over　 C. sell; off　 D. are sold; away

270.His idea is ______ you’d better ____ a jar of jam at home.

A. that; keep　　 B. that; not to get　 C. which; keep　 D. which; not to get

269.We _______-word from him so far. Where could he be?

A. don’t have　 B. haven’t any　　 C. have no　　 D. have had no

268.– What _______to stop this world _____hungry?

--- Birth control.

A. can be done; to go　　　　　 B. we do; going

C. can be done; going　　　　　 D. will happen; going

267._____ has been reported _____ sales of beef in China will increase.

A. It; which　 B. It; that　　 C. What; that　　 D. That; that

266._____-Maria will come to the party makes no difference.

A. Whether　 B. If　　 C. That　　 D. How