The engineers had __ trying to solve the mechanical problems of the railway systemthe engineers had____trying to solve the mechanical problems of the railway systema such hard time b such a hard time c so hard time d a so hard time为什麼呢?
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![The engineers had __ trying to solve the mechanical problems of the railway systemthe engineers had____trying to solve the mechanical problems of the railway systema such hard time b such a hard time c so hard time d a so hard time为什麼呢?](/uploads/image/z/14627208-48-8.jpg?t=The+engineers+had+__+trying+to+solve+the+mechanical+problems+of+the+railway+systemthe+engineers+had____trying+to+solve+the+mechanical+problems+of+the+railway+systema+such+hard+time+b+such+a+hard+time+c+so+hard+time+d+a+so+hard+time%E4%B8%BA%E4%BB%80%E9%BA%BC%E5%91%A2%3F)
The engineers had __ trying to solve the mechanical problems of the railway systemthe engineers had____trying to solve the mechanical problems of the railway systema such hard time b such a hard time c so hard time d a so hard time为什麼呢?
The engineers had __ trying to solve the mechanical problems of the railway system
the engineers had____trying to solve the mechanical problems of the railway system
a such hard time
b such a hard time
c so hard time
d a so hard time
为什麼呢?
The engineers had __ trying to solve the mechanical problems of the railway systemthe engineers had____trying to solve the mechanical problems of the railway systema such hard time b such a hard time c so hard time d a so hard time为什麼呢?
首先so 和such的区别:a/an+so+形容词+名词;such+a/an+形容词+名词.
例如a so beautiful girl= such a beautiful girl 如此漂亮的一个女孩
第二点:在这里hard time 相当于一件困难的事情,一段难捱的时间,是可以加冠词a的
相当于我们经常说的have a good time 玩得高兴
因为such 修饰名词的用法是, such+ a/an + adj + 单数名词
such + adj + 复数名词
而 so 是副词,修饰adj 或副词 用法是 so + adj / adv 或so +adj + a /an + 单数名词