Kate has gone to the library. I wonder_ _ _
A:when she will come back
B:when she came back
C:when will she come back
(i)B球第一次到达地面时的速度;
(ii)P点距离地面的高度.
____
你能照样子写吗?
设(设计)
没(没有)
阻____
控____
挚____
狂____