Some students are so _____ that they often make mistakes in their homework.A.careful B.serious C.careless D.less

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• 1.-Lisa has made great progress these days.-____,and____.A.So has she;so have you B.So has she;so you have C.So she has;so you have D.So she has;so have you2.Our teacher came to my house to visit my parents___A.in the last two days B.these days C.some day D.the other day3.Students often make mistakes ___ spelling.Afor Bin Cat Don附带解释 谢谢
• Some students are so _____ that they often make mistakes in their homework.A.careful B.serious C.careless D.less
• Some students are so _____ that they often make mistakes in their homework.
• they lost their way in the forest and___made matters worse was that night began to fall.A) that B) it C) what D) which为什么选择C呢.I do not know why.that 只起连接作用，在句中不充当成分。what 为连接代词，引导主语从句，且充当成分。it 可以做形式主语，which又有什么限制呢？为什么不选it 和wihch呢？and前后连两个完整句子，所以单独拿后一句分析：___made matters worse was that night began to fall.其中was是谓语，that从句为表语从句，所以前面的___made matters worse是主语从句，而这个从句里缺了主语，所以用what.which强调两者选一个。而it不能引导从句，可以做形式主语。
• Their teacher was very happy to see that this match made them____at lest.A.quickly B.happilyTheir teacher was very happy to see that this match made them____at lest.A.quickly B.happily C.friendly D.slowly