Question

英语问题求解决，谢谢了

Answer 1

1, has made; came 2, have known

追答

3, has; written
4, did; leave
5, Have ; seen; have
6, did; see
7, has ; been

二、
1, How often did John go to see his grandmother?
2, He has not finished his homework yet.
3, You have never been to Shanghai before, have you?
4, been back
5, had; since
6, been away from
7, has been on
8, has been dead

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