We haven't known ____ there is life on Mars.A.that B.if C.what D.and
人气：360 ℃ 时间：2019-08-20 04:18:17
解答
B我们还不知道火星上有没有生命.there is life on Mars是一个宾语从句,而and是引导并列分句的,故排除D.there is life on Mars是一个意义十分完整的宾语从句,不缺任何成分,而what引导宾语从句时必须在从句中充当主语...
推荐
- Is there life on Mars(火星)?We do not know.We are sure that earth people like us cannot live on Mars.Earth people need oxy
- Could there be life on Mars? 按首字母填空
- ＿＿＿there be life on Mars?
- Starting with the ___ that there is life on the planet Mars,
- Most scientists believe that there is no life on Mars as c____ there are very harsh
- talking,they,their,for,are,the,holiday,plans,about,May Day 连词成句
- 母爱的话10句,快.·············~
- 中国汉字历史悠久,博大精深,谁能告诉我在中国汉字里一共有多少个字呢?
猜你喜欢
