用适当的介词填空
What do you think ________ it?
He leaped ________ the stream ________ a single leap．
I disagree ________ you ________ this point．
The man ________ whom I am talking ________ my study is our English teacher．
They live ________ London during the week and go to the country ________ the weekend．
This is the watch ________ which I am looking．
He made another wonderful discovery, which is ________ great importance to science．
根据句意和提示完成句子
这是一个感人的故事。
This is ________ ________ ________．
必须立即采取行动阻止火势蔓延。
Immediate action ________ ________ ________ to stop the fire________．
我们可以回到最初有关集资的问题上吗？
Could we ________ ________ ________ the original question of funding?