be+of+adj.+n.的用法这种用法我不太习惯,例如：Theyaren#39;tofgoodquality.谁能帮我讲讲?
<p>问题：be+of+adj.+n.的用法这种用法我不太习惯,例如：Theyaren#39;tofgoodquality.谁能帮我讲讲?<p>答案：↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">李文中的回答：<div class="content-b">网友采纳 Itisofgreatimportance =tiisimportant theyaren'tofgoodqualitymeanstheyarenotingoodqualit
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