homework is ( ) students most often blame for their lack of sleep_英语解答

homework is ( ) students most often blame for their lack of sleep.
括号里填 what,that,which,why 中的哪一个?为什么?

人气：274 ℃　时间：2019-11-15 08:01:16

解答

what,因为前面的is后要一个表语,后面的blame要一个宾语,前后做成分,所以用what.