专项训练2：

1.We found her greatly ___.

A.improving B.changed C.to help D.having disturbed

2.Jane got her bad tooth ___ at the dentist's.

A.to put in B.pulled out C.pushed out D.drawing out

3.When ____ ,the museum will be open to the public next year.(上海2002)

A.completed B.completing C.being completed D.to be completed

4.With a lot of difficulties ___ ,they went to the seashore and had a good rest.

A.settled B.settling C.to settle D.being settled

5.The research is so designed that once ___ nothing can be done to change it.(NMET2002)

A.begins B.having begun C.beginning D.begun( once begun 在句中作状语，begin为及物动词:“着手”)

6.___ ,they went home,___.

A.Their work had been finished;singing and laughing

B.They had finished their work;sang and laughed

C.Their work finished ;singing and laughing

D.after their work finished;singing and laughing

7.Before he came to London,he had never heard a single English word ___

A.speaking B.speak C.spoken D.to speak

8.____ more attention,the trees could have grown better.

A.Given B.To give C.Giving D.Having given

9.___ from space,the earth with water ___70% of its surface looks like a "blue blanket".

A.Seen ;covered B.Being seen;covers C.Seeing;covering D.Seen;covering

10.____,the experiment will be successful.

A.If carefully doing B.If it done carefully C.If carefully done D.If doing carefully

11.The girl wrote a composition without ___.

A.ask B.asking C.being asked D.to be asked

12.He finished his homework and then went on ___me.

A.helping B.with help C.with helping D.to help

13.___where to go ,he asked a policeman.

A.Having lost his way and not knowing

B.Losing his way and didn't know

C.Having lost his way and didn't know

D.Lost his way and didn't know

14.____ her friend was badly hurt,she burst into tears.

A.Hearing B.Having heard C.To hear D.Heard

15.____ his team had won, his face lit up at once.

A.Knowing B.When knowing C.After knowing D.When he knew