___we must do is___ the use of energy.A.That;to reduce B.How;to r_英语解答

___we must do is___ the use of energy.
A.That;to reduce B.How;to reduce C.What;reduce D.That;reduce
我没少打to啊！

人气：225 ℃　时间：2020-01-28 19:29:45

解答

C.What;to reduce (reduce 之前打少了 to)
如果你没打少to,那四个选项都不对,可能印错了.反正第二个空要填to reduce