【单选题】Our plane ______at six and landed in Beijing
A.
takes off, within four hours
B.
took off, four hours later
C.
rose up, after four hours
D.
raised up, in four hours
【单选题】当鼠标移到自动填充柄上,鼠标指针变为()。
【单选题】5双大小不同的鞋子中任取4只,至少有一双配对的概率为()
【简答题】A.Four. B.Five. C.Six. D.Seven.
【单选题】当鼠标移到自动填充柄上,鼠标指针变为( )。