语法填空。阅读下面材料，在空白处填入适当内容(不多于3个单词)或括号内单词的正确形式。【全国新课标卷题型】
Soon after Dave left college, one of his uncles, __1__ was rich and had no children of his own died and __2__(leave) Dave a lot of money, so he decided to set up his own real estate agency(地产公司)．
He found a nice office, __3__ (buy) some new furniture and moved in. He had only been there for a few hours when he heard someone coming __4__ the door of his office.
“It's my first customer！” he thought. He quickly picked up __5__ telephone and pretended to be very busy __6__(answer)an important call from someone in New York __7__ wanted to buy a big and expensive house in the country.
