句意是：抱歉,我没能尽我所能地多做些事.
do sth
do 后面是要跟名词的,不能跟形容词.（当然,也可跟副词.）
much 相当于 a lot,可作名词,但其他三个不是名词,语法上不对,故选b
希望对你有用 :)
Sorry i haven't been able to do _____ i should
Sorry i haven't been able to do _____ i should
a.as many as
b.as much as
c.as far as
d.move than
请问a c d为什么不对?错在哪?
a.as many as
b.as much as
c.as far as
d.move than
请问a c d为什么不对?错在哪?
英语人气：661 ℃时间：2019-11-04 08:48:24
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