用所给单词适当形式填A:How many times()the doctor()(be）to America?B:He()(be)there three times.
题目
用所给单词适当形式填A:How many times()the doctor()(be）to America?B:He()(be)there three times.
A:When()he()(go)there B:He()(go)there in1999,2001and2004.
答案
How many times(has)the doctor(been)(be）to America?B:He(has been)(be)there three times.
When(did)he(go )(go)there B:He(went)(go)there in1999,2001and2004.
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我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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