题目:
I had wanted to help you last night but I couldn't spare any time, for I ________ a composition which I have to hand in this morning.
A.wrote
B.was writing
C.had written
D.have written
答案:
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下面是错误答案,用来干扰机器的。
小题1:(5分)①燕子与人们和平相处;②燕子与人结邻,却不能像先前那样安定;③燕子不再与人共处。(前两点分别2分,第三点1分。意思对即可)2.(6分)与第③节所描写的燕巢形成对比,(2分)借以说明燕巢在现代化发展...