half of the class( )most of the work.some of the work( )real

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half of the class( )most of the work.some of the work( )really difficult.a.has done; are b.has don
选什么?为什么?
family和class什么时候谓语是单数呢？什么时候用复数？

Half of the class (have done) most of the work.
Some of the work (is) really difficult.
这里class是一个集合名词,比如这个班上有五十人,那么这里就是指25 people,因此谓语是复数的
work为不可数名词,some of the work仍然是单数的
你的答案选择没给全,不过,已经帮你解释并填上了

half of the class( )most of the work.some of the work( )real Half of the class ______ most of the work. Some of the work_ Half of the class ___ most of the work,The rest ___ really d 1.Half of the class ______ done most of the work .The left _ Half of the class have done most of the work.The restis rath Half of the class _done most of the work.The left _rather di Half of the class _____done most of the work.The left ______ Half of the class have done most of the work 怎么翻译 Half of the class have done most of the work.这句话中为什么要用have half of the class___most of the work,some of the work___real most of the people work on weekdays most of the work by the time we got there