写理由

写理由

题目
写理由
1.I had no idea how to do it.I tried to stay positive and persevered ____ I finally found the solution.
A.and B.until
2.With the problem ___ (solve)
A.solved B.is solved
3.When they need advice,they don't usually go to the people they know.____ many of them write letters to newspapers and magazines .
A.Instead B.but
4.I like the clothes there,___ they look very beatiful
A.for B.because
答案
1B until 直到,不能再用and,前面有一个了
2A solved 过去分词形式的形容词,被动含义,介词结构做状语
3B instead放在句首要用逗号隔开的
4A because原因状语从句的话,那个逗号就多余了
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