ham_zhw
幼苗
共回答了18个问题采纳率:100% 举报
my father has already gone home(变否定句) my father-( hasn't gone ) home( yet ).
2.i haven't been to shanghai yet(变肯定句) i ( have already been )to shanghai twice
3.he has been there twice(对twice提问)( How many times has ) he ( been ) there?
如果不明白,请再问;如果对你有所帮助,
请点击本页面中的“选为满意回答”按钮,
1年前
2