1A 2C 3A 5D 4题答案有误
1题所选项做补语补充说明问题是被解决的而且我很高兴说明解决动作已完成
2题所选项做定语从句的谓语
3题所选项做补语意思是存钱
5题所选项做补语手是被捆着的且捆的动作已完成
the building to be built in 2010 will be the biggest one in our city.
the building being built now will be the biggest one in our city.关键是根据意思判断时态