29．The farmers on the farm when a UFO flew over their heads．A．worked B．work C．are working D．were working 【查看更多】

 

題目列表(包括答案和解析)

The farmers _________ on the farm when a UFO flew over their heads．

A．worked                B．work             C．are working               D．were working

查看答案和解析>>


同步練習冊答案
久久精品免费一区二区视