正确答案是:fast
I can not walk fast enoughto catch up with them
在这里,fast既可以作形容词又可以作副词,而当有修饰时enough,只能用原形,不能用比较级.
I can not work____(fast) enoughto catch up with them.
I can not work____(fast) enoughto catch up with them.
work改为walk,从fast和faster内选一个
work改为walk,从fast和faster内选一个
英语人气:600 ℃时间:2019-10-11 05:40:05
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