题目内容
In Australia there are more than 140 different types of snakes, _______.A. many of whom are extremely in danger
B. many of which are extremely dangerous
C. many of them are extremely in danger
D. many of them are extremely dangerous
答案:B
解析:
提示:
解析:
| 非限制性定语从句,指称的是蛇, 谓语介词of之后, 用which。
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提示:
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