句型转换（每空0.5分，共5分）

小题1:He must stay at home to look after his grandpa. (改为同义句)

He must stay at home to _______ _______his grandpa.

小题2:I have over ten story books. Would you like one?(改为同义句)

I have __________ ___________ ten story books. Would you like one?

小题3:Peter was very sad because his brother died in a car accident. (对画线部分提问)

________ ________ Peter very sad?

小题4:It costs 700yuan to visit Mount Tai. (划线部分提问)

________ ________does it cost to visit Mount Tai ?

小题5:Please tell me how I can get to Beijing Hotel. (改为同义句)

Please tell me __________ _________ get to Beijing Hotel.

甲国有企业以其拥有的一块划拨土地与乙房地产公司联合开发商品住宅小区，土地面积5万平方米，双方商定建成房屋以后，甲国有企业与乙房地产公司按建筑面积3：7分成，拟建三层的住宅楼建筑面积9000平方米，四层的住宅楼建筑面积12万平方米，五层的住宅楼建筑面积2000平方米。乙房地产公司拟将所得住宅进行销售。根据上述资料，回答下列问题：

乙房地产公司出售商品住宅的开发成本应包括（）。

A.销售税金

B.贷款利息

C.土地费用

D.建筑安装工程费用