prep语法题

eca07qqy · 发表于 2009-12-6 00:45:38

prep 20

the hognose snake puts on an impressive bluff, hissing and rearing back, (e) broadening the flesh behind its head the way a cobra does, feigning repeated strikes, but with no dangerous fangs and no venom, and eventually, .....

这个选项错在哪里了？

cx_ding · 发表于 2009-12-6 07:11:44

是不是并列的最后一项没有加and

prep语法题

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