These engines used to______(start) by hand. Now they are started by electricity.

admin2015-04-17 67

问题 These engines used to______(start) by hand. Now they are started by electricity.

选项

答案be started

解析 engine与start之间是被动关系。

转载请注明原文地址:https://www.kaotiyun.com/show/JX0K777K

大学英语三级B级

相关试题推荐

随机试题

最新回复(0)