非谓语动词1.When we arrived,we found him _.a,was dying b,dying c,

非谓语动词
1.When we arrived,we found him _.a,was dying b,dying c,died d.die
2.Yesterday I saw a boy _by a car.a.knocking down b.knock down c.to knock down d.knocked down.
3.Not _an answer,Idecided to send them an E-mail.a.having received b.to receive c.to be received d.received
4.Not _her for years ,we could hardly recognize her .a.seeing b.being seen c.having seen d.seen
5.The boy went to the ball,_like a pretty girl.a .dressing b.to dress c.dressed d.having dressed
6.You must respect others to make yourself_.a.respected b.to be respected c.be respected d.respecting