题目内容：

动词的非谓语形式
1.European football is played in 80 countries,____it the most popular sport in the world.(A)
A making B.makes C.made D.to make
2.____in the queue for half an hour,Tom suddenly realized that he had left his wallet at home.(C)
A.to wait B.Have waitted C.Having waitted D.To have waitted
3.It's necessary to be prepared for a job interview.___the answers ready will be of great help.(D)
A.To have had B.Having had C.Have D.Having