The World Population Explosion
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—I can't remember those grammar rules!—__________. Practice more.
A. It's hard to say
B. You're not alone
C. I'm afraid not
D. It's up to you
— The manager of the factory wants to improve production a great deal, but he doesn’t spend much on technology.— I am afraid he won ’t realize his dream. You know ________.
A. empty vessels make the greatest sound
B. you can ’t eat your cake and have it
C. enough is as good as a feast
D. two heads are better than one
Born into a family with three brothers, David was ________ to value the sense of sharing.
A. brought up
B. turn down
C. looked after
D. held back