[题目] 黄金认证 new toeic p34 126题

楼主: honeyhoneyme (这城市,这少女)   2016-03-20 16:30:26
书名:黄金认证 new toeic
版本:?
页数:p.34 第126题
题目:
On the first day of class the lab instructor demonstrated safety proce
dures and warned everyone to be ___ when working with dangerous chemicals.
(A) caution
(B) cautious
(C) cautiously
(D) cautiousness
疑问:为什么是B而不是C??
作者: jasmineapple (席得)   2016-03-20 16:37:00
接的是形容词啊 c是副词
楼主: honeyhoneyme (这城市,这少女)   2016-03-20 16:53:00
可是他前面不是有个to be吗?我的理解是要形容这个be,为何会有这个to be的存在?谢谢~
作者: bigpigbigpig (To littlepig with love)   2016-03-20 22:27:00
to conduct experiments 才是 (C) cautiously

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