有关非谓语
When he awoke,he found himself____by an old women.
A.looked after
B.he looked after
C.being looked after
D.be looking after
There seemed to be nothing___to do but__for the doctor.
A.leave.send
B.left.to send
C.left...send
D.leaving...send
This book is used in English-___countries.
A.speak
B.spoken
C.to speak
D.speaking
第一题的C,D有什么区别啊～不都是表被动、进行