1.The old emperor always took Qu-yuan's advice.为什么用ALWAYS有点搞不懂 ALWAYS和TOOK不矛盾吗?
2.think of /think over/think about有什么区别?
3.half an hour中half是什么词性?
4.Every morning Mr.Smith takes a _____ to his office.A.20 minutes' walk B.20 minute's walk C.20-minutes walk D.20-minute walk答案是A 为什么不能选D?
谢谢回答我的问题