问题
单项选择题
A 15-ton bulldozer employed caused the bilge limber boards on both sides().
A.serious damaged
B.seriously damage
C.serious damage
D.seriously damaged
答案
参考答案:D
A 15-ton bulldozer employed caused the bilge limber boards on both sides().
A.serious damaged
B.seriously damage
C.serious damage
D.seriously damaged
参考答案:D