14.All ofthe teachers,___Mr.North,will be invited to the par

14.All ofthe teachers,___Mr.North,will be invited to the party.
A.include B.to include C.included D.including
15.The problem ___now is how to make wide use of solar energy.
A.discussed B.discussing C.being discussed D.to have been discussed
16.Last night,a thief was caught ___a car.
A.when stealing B.that he stole C.to steal D.stolen
17.He was knocked down____.
A.when crossing the street B.when the street being crossed C.as he crossed the street D.as he crossing the street
18.Ellen was absent this morning because she had to go to the dentist's to have her teeth____.
A.filling B.to fill C.filled D.fill
19.____the sad news,tears rolled down the girl's face.
A.Hearing B.Having heard C.When she heard D.On hearing
20.___to hospital in time,the wounded soldiers were saved at last.
A.Take B.Takeing C.Having taken D.To take
21.Why do you keep the windows in this room ___but those in that room ___?
A.opened,close B.open,close C.opened,closed D.open,closed
22.___,the players began the game.
A.Having taken B.After we had taken our seats C.Being taken the seats D.Taking the seats
23.Charles Darwin was encouraged by his friends to make his theory ___to the public.
A.know B.known C.knowing D.known as
24.____his homework,he didn't like to take a rest.
A.Having not finished B.Not having finished C.Not have finished D.Have not finished

14.D 15.C 16.A 17.A 18.C 19.B 20.C 21.D 22.B 23.B 24.C
高三党奉上,望采纳.欢迎指正