A：青稞
B：玉米
C：高粱
D：水稻
A.What about my toy bear?
B.Is it on your bed?
C.No, it isn't.
Alice：Mum，where is my car? Is it in the toy box?
Mum：____ It's in the desk.
Alice：Oh，thanks.____
Mum：____
Alice：Oh，yes，it is.
小红和几位同学在山上游玩，突降暴雨，遭遇泥石流，这时，他们应该( )
