第二句对,一三不对
The city is which he visits应该用what 引导The city is what he visits
the city is where he visits也应该改成The city is what he visits
原因是visit是及物动词,后面必须有宾语,在表语从句里what 来充当这个宾语
而第二句的live是不及物动词,可以没有宾语,所以第二句用where引导可以
第二句对,一三不对
The city is which he visits应该用what 引导The city is what he visits
the city is where he visits也应该改成The city is what he visits
原因是visit是及物动词,后面必须有宾语,在表语从句里what 来充当这个宾语
而第二句的live是不及物动词,可以没有宾语,所以第二句用where引导可以