...》高一分册(上)第75页上有这样一道选择填空题:“4. There _____ masses of ice on the river. A. is B. are C. has been D. have been”该书在第77页所提供的答案与详解是这样的:“4. B。masses of …是复数,表现状用...
I am really proud of my group because we are always discussing and sharing study secrets together.How important the group work is!为什么红色部分的句子要用现在进行时?这是什么用法?
Bejing's climate is more or less unfit for the growing of flowers. Freezing in winter, windy in spring, and either too dry or too often plagued by a sudden frost.老师好,后面几个形容词是省略了什么?