国家开放大学 / 综合英语(3)
正确率:100%
Wellman was there for his able-bodied friend early in the climb when pieces of rock _ _ _ _ _ _ _ .
A.gave way
B. have given way
C.give way
D.are giving way
A.gave way
B. have given way
C.give way
D.are giving way
参考答案:
佳题速递: