问题描述：
同意句转换 i went to shanghai by plane and began to like it . i __to shanghai and __ __ __ __it.
i will go to usa in the future .
i will go to usa __ ____ ____.
he asked us when we should leave .
he asked us __ ____ ___ .
i didn't pass the test
i ___ in____ the test
i found it very useful to learn english well.
i found it _____ useful to learn english well.
i will go to usa in the future .
i will go to usa __ ____ ____.
he asked us when we should leave .
he asked us __ ____ ___ .
i didn't pass the test
i ___ in____ the test
i found it very useful to learn english well.
i found it _____ useful to learn english well.
问题解答：
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