Since last Saturday the workers have done what they could ____(ma_英语解答

Since last Saturday the workers have done what they could ____(make)the city more beautiful.

人气：164 ℃　时间：2020-01-26 01:40:42

解答

to make为什么？本句的意思是自周六以来这些工人们就尽他们所能是城市变得更漂亮不定式在这里表目的