问题描述：
英语造句,会的进!
1.what do i need to pay attention to if i want to…?2.it's wise to (do)….3.…if necessary.4.-what else do i need?-…… （填省略号的地方.急用!简单的造句）
1.what do i need to pay attention to if i want to…?2.it's wise to (do)….3.…if necessary.4.-what else do i need?-…… （填省略号的地方.急用!简单的造句）
问题解答：
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