问题
选择题
The dam was not strong enough to _____ the flood waters. The people living there had to remove from their houses.[ ]
A. hold down
B. hold back
C. hold off
D. hold on
答案
答案:B
The dam was not strong enough to _____ the flood waters. The people living there had to remove from their houses.[ ]
A. hold down
B. hold back
C. hold off
D. hold on
答案:B