请问这个句型里除了have difficulty (in) doing…外这里的 trouble / difficulty 可以理解成不可数，所以可以不用加不定冠词 a 或变复数，那有 have problem (in) doing...吗？查了查有人说可以，有人说该加 a 或变复数 problems。我想问的是有这个...
... into an important tradition throughout the Caribbean. 这里答案填的是 developed。 但我觉得 用 developed 和 was developd 都可以，不知道对不对，查了一下develop的用法，被动和主动的都有，主动的占大多数，求老师们解答一下。困扰许久的问...
...r; at once ready to
increase their pride while living, and their character when dead. For you and
I, my friend, who have no humble admirer thus to attend us, we, who neither
are, nor ever will be great men, and who do not much care whether we are great
men or no, at least let us strive to be honest ...
I can see that Tim is having trouble
balancing his project and his schoolwork, and I can see that both are of
importance to him.
上面的句子摘自“新高中英语译林版”必修一p37。请问这里的 have 表示“有”吧，为什么可以用于进行时态呢？
To call theatre 'postdramatic' involves subjecting the traditional relationship of theatre to drama to deconstruction and takes account of the numerous ways in which this relationship has been refigured in contemporary practice since the 1970s.老师们中秋国庆双节快乐！请教老师...
老师好，今天读章振邦教授的书，67页，讲的是主谓一致问题，我抄几个句子下来：(1)Enough of the data have
been collected.(2)A substantial portion of
the reports is missing.(3)The greatest part of the
population were illiterate.(1)(3)句遵循意义一致原则，但是...