When does our school often have a picnic?—_______,it’s at the end of October.

________ is the population of the city

Private cars will be required tostay off roads one out of five weekdays ____ the traffic pressure.

填入下面文段空白处的词语，最恰当的一项是（ ） 小说家应尽可能把人物对话写得流行自然，生动活泼，______不可能完全像实际说话。______讲故事或作报告，______又决不能像日常说话那样支离破碎，______不写稿子，______应像一篇文章。

published fifty years ago, his work still attracts much attention at present.[ ]