I can not work____（fast) enoughto catch up with them.work改为walk，从_英语解答

I can not work____（fast) enoughto catch up with them.
work改为walk，从fast和faster内选一个

人气：275 ℃　时间：2019-10-11 05:40:05

解答

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.