【单选题】There is “s ” in the word “watch es ” and the underlined part is pronounced as____.
【单选题】What does the word 'They' in 'They can probably pay a certain part of the full price ...' refer to?
【判断题】混凝土保护层厚度指的是主筋外表面到混凝土结构外表面的距离。
【单选题】A word part at the end of a word is the
【判断题】CALIS可以为高校成员馆的用户提供免费的文献传递服务。
【单选题】When a word is created through changing its part of speech, this word-formation method is called
【单选题】When a word is created through changing its part of speech, the word-formation method is called
【单选题】In the word “d ow n”, the underlined part is pronounced as______.