(as do) all insects, a butterfly has a hard (outer )covering, (called it )an exoskeleton,
(that both )supports and protects the body
偶觉得c and d 都不对呀.
举报
请问斑竹,偶觉得d 应该改为which引导一个非限定性定语从句呀,而这里是that引导,不对呀?? 请斑竹继续答疑
ps: 正确答案是c
中间部分是插入语,仍然是限制性定语从句
啊,谢谢4楼, 一语点醒梦中人 。
哈哈,还是chhmen厉害。
出国时间长了点。。。I understand HOW, but i dont understand WHY~
祝楼主备考好运
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