The crude oil overflowed from measuring-ho
题型:单项选择题
问题:
The crude oil overflowed from measuring-hole due to()the valve of No.1 tank.
A.not close
B.not closing
C.not have closed
D.no closing
The crude oil overflowed from measuring-hole due to()the valve of No.1 tank.
A.not close
B.not closing
C.not have closed
D.no closing