题目
A clear ,warm day suddenly grew chilly ,______a dark curtain of rolling dust advanced across the plains.
A until B as C so D since
Many young people want to be writers ,but l always tell them there is a big difference ______a writer and writing .
A to be B be C being D having been
A until B as C so D since
Many young people want to be writers ,but l always tell them there is a big difference ______a writer and writing .
A to be B be C being D having been
提问时间：2021-01-05
答案
d
c
c
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