若P和Q分别在2号和4号洞，则下面哪一项可能正确？
A. R在洞3。
B. R在洞5。
C. S在洞6。
D. U在洞1。
A．camelsB．shipsC．poundsD．cars
A. camels
B. ships
C. pounds
D. cars
What should parents do to help build a sound value system in their children？ They should ______.
A. tell their children to have a comfortable feeling about their body
B. tell their children something about sex rather than say nothing about it
C. set good examples for their children
D. give their children lessons on a whole set of values
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