船舶在风浪中航行时，对船舶危害最严重的情况是（）.
A、船长与波长大小相当
B、船长远大于波长
C、船长远小于波长
D、不一定
参考答案：A
I think our parents should allow us ____ ____ own clothes. [ ]
A. choosing; our
B. choosing; us
C. to choose; our
D. to choose; us
