The headmaster was pleased with what we did. He praised us and also encouraged us to do more to protect the environment.各位老师，请问to protect the environment在这作定做吗？
...5.这题的答案是would not have fallen，而我觉得是would not fall, 从句是对过去情况的虚拟倒装if the…scientists had not…,但主句用的是since+时间点，不应该是表示是从2015年到现在吗？有since的地方大都用用现在完成时，应该是指的是现在...
Two men who recently spent five days on a coral island wished they had stayed there longer.这句话可不可以改成：Two men who stayed on a coral island for five days wished they had stayed there far more days.
1.There is no need for you to go to the office. for you to go to the office是作need定语对吗?2.There's no point getting into a panic about the exams. get前面是不是省略了in呀？getting into a panic是动名词短语作point定语吗？
2013年高考英语的重庆考题有道题如下：When I was little, my mother used to sit by my bed, ______ me stories till I fell asleep. (2013重庆卷)A. having told
B. telling
C. told
D. to tell答案是B，这个没问题，但对句中的little不太理解，不是说表示人年纪小...
六级英语听力的一句话：A lot of time people are not really
aware of the impact they have or the fact that taking them in
combination with other medication with other medication might put you at risk
for something that you wouldn't otherwise being countering or be at risk for.这句话中...
...rson and the older a morning person.在我的记忆中，and若连接并列从句，第一个从句的that可以省略，第二个则不能省略，否则会和主句的主谓结构并列在一起。而这个例句正好相反，并且第二个从句“the older a morning person”，还省略了助...
...twos and
threes. 不久客人就三三两两地到达了。I haven’t had time to arrange
everything so I’m all at sixes and sevens. 我没来得及把每件事都安排好，因此心里七上八下的。(2) 逢整“十”的基数词复数：主要用于表示某人的大约年岁和世纪中...