It seems oil ______ from this pipe for some time. We’ll have to take the machine apart to put it right.

admin2017-07-18  19

问题 It seems oil ______ from this pipe for some time. We’ll have to take the machine apart to put it right.

选项 A、had leaked
B、leaking
C、leaked
D、has been leaking

答案D

解析
转载请注明原文地址:https://kaotiyun.com/show/n5iC777K
本试题收录于: 英语题库成考专升本分类
0

最新回复(0)