问题 the teaching of grammar结构分析，以及means 后加介词for等疑问

Grammar is a kind of sentence-making machine. It follows that the teaching of grammar offers the learner the means for potentially limitless linguistic creativity.1） a kind of 后应该用machinese复数吗？2） the teaching of grammar是什么结构？ 上句中，可以换用 teaching grammar ...

问题 表路程名词前为什么不用所有格(a few hours ride)

...法也符合英语语法吗？This site is a few hours bus-ride away from the ancient city of Dali in Yunnan  Province.材料来源：北师大高中英语教材模块二Unit 6。

话题 That's due in part

话题 every once in a while

话题 be in for a shock

话题 A King in New York

话题 with butterflies in my stomach

话题 after和in表示将来时间的区别

话题 take part in an examination

话题 One student in a hundred

话题 take your time in doing

话题 pursue control in conversion mode

话题 have difficulty in doing sth

话题 have difficulties in doing sth

话题 wrinkled in an apologetic smile