优题课 - 聚名师,上好课(www.youtike.com)
  首页 / 试题 / 高中英语 / 试题详细
  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:1684

The experiment shows that proper amounts of exercise, if          regularly, can improve
our health.   

A.being carried out B.carrying out
C.carried out D.to carry out
登录免费查看答案和解析

Theexperimentshowsthatproperam