Ⅰ.单句语法填空
1．She sat at the desk________ (read)a newspaper and didn't notice her son come in.
2．I don't want to hear what you are saying.It is of no________(interesting)to me.
3．Many of the plants in this area will die ________ if the government doesn't take measures to protect them.
4．There is no point ________ (argue)further.I think he has made a decision.
