选择合适的句子补全对话.有一项是多余的.

选择合适的句子补全对话.有一项是多余的.
A.What happened?
B.I am so glad.
C.I'm sorry trouble you.
D.I hope everything goes well.
E.When will you be back?
F.Is there anyone at home?
Ann:Hello!______
Bob:Yes.
Ann:_____Could I borrow your bike again?
Bob:Certainly!_____Is your bike broken again?
Ann:No.But I've lost my key.
Bob:I see.______
Ann:At about 5:20 pm.
Bob:OK.Here is the key.______Bye!
Ann:Thanks.Bye!
根据上下文填写所缺的单词,使对话完整.
A:You are wasting water!
B:What?
A:Turn the tap_______.You are wasting water!
B:Who are you?Where are you from?
A:I'm a drop of water.I'm from the tap.But two days ago,the clouds________me into a stream,and then I______down the mountain into a river.The river carried me to a reservoir.Some people______me_________.
B:Cleaned you up?
A:Yes,and then I came here and waited for you to call me.
B:Oh,I see.