the babies ___ are very healthyafter whom the nurses lookwhom the nurses look after whom the nurses look whom the nurses looks after

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thebabies___areveryhealthyafterwhomthenurseslookwhomthenurseslookafterwhomthenurseslookwhomthenurses

the babies ___ are very healthyafter whom the nurses lookwhom the nurses look after whom the nurses look whom the nurses looks after
the babies ___ are very healthy
after whom the nurses look
whom the nurses look after
whom the nurses look
whom the nurses looks after

the babies ___ are very healthyafter whom the nurses lookwhom the nurses look after whom the nurses look whom the nurses looks after
选第二个答案
1.含有介词的动词短语一般不拆开使用,如:look for,look after,take care of等
(1) This is the watch which/that I am looking for.(T)
(2) This is the watch for which I am looking.(F)
nurses是复数 因此不用三单

选whom the nurses look after

选最后一个

look after 固定词组,照顾,不可拆分
nurses说明护士不止一个,所以不用第三人称单数,要用look
所以是最后一个对.
懂了吗?