54页99.I have 4 classes every morning and they each ---------45 minutes .A.have B.has C.last D.lasts 为什么

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54页99.I have 4 classes every morning and they each ---------45 minutes .A.have B.has C.last D.lasts 为什么

54页99.I have 4 classes every morning and they each ---------45 minutes .A.have B.has C.last D.lasts 为什么
54页99.I have 4 classes every morning and they each ---------45 minutes .
A.have B.has C.last D.lasts 为什么

54页99.I have 4 classes every morning and they each ---------45 minutes .A.have B.has C.last D.lasts 为什么
答案C.因为each作同位语,谓语动词形式只要看主语就行了 ,还有那个THEY EACH 作为整体来看,所以选C.
each 此处为代词,用作同位语,意为“各、各自”.
They each ... 结构中,谓语动词可由they 来确定,即选用复数形式.
需注意的是：Each of them ...所接的谓语动词则需用单数,意为“他们中的每个人”.
两种结构不要混淆
相信我,没错的

我觉得应该是A
首先，这里有THEY，所以不是三单
而且我的语感告诉我，这里不太可能用LAST/LASTS
只剩了A:HAVE

首先Each是单数 所以只能从has lasts 中选 又因为Each 做主语不能用Has 所以选lasts

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