(Prehistoric )villagers (tended to )work harder, suffer( from) more disease, and eat (the )poorer diet than nomadic hunter did.ffice ffice" />
选什么?tended to不应该改成tend to吗?,因为是并列结构
The various(peoples )who (developed) North America (have made) it a world( leader ecomomic).
有peoples这样的形式吗?
Of 120( minerals known) to have been used (as gemstomes), only about 25 are in (common use) in (today jewelry).
是不是应该选common use?
Published in 1957, his first novel earn( )the National Book Award.
A.that he had
B.him
C.was his
D.to him
这踢选什么?
请帮忙解答,谢谢了
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