5、Experts think we won’t have clean water to drink unless something　　　 soon,but much remains　　　 about environment protection.

A、would be done;doing　　 B、is done;to be done　　　

C、will be done;to do　　 D、is done;to do

4、　　　 with the picture,Mary tore it into pieces and settle down to sraw another one.

A、Dissatisfying thoroughly　　 B、To thorough dissatisfy　　　

C、Being thoroughly dissatisfied　 D、To be completely dissatisfied

3、Do you know the difficulty he had　　　 so many children at school?

A、keep　　　 B、to have kept　　　 C、keeping　　　 D、kept

2、I wonder if this is the computer you want　　　 .

A、to have repaired　　 B、to have it repaired　　　 C、it to be repaired　　　 D、to repair it

1、She asked me to help her,　　　 she couldn’t move the heavy suitcase herself.

A、realized　　　 B、only to realize　　 C、but realized　　　 D、realizing

15、----The light in the office is still on.

----Oh,I forgot　　　 .

A、turning it off　　 B、turn it off　　　 C、to turn it off　　 D、having turned it off

1-----5BCDDB　　　 6----10BCCDA　　　 11----15ACDCC

精练三

14、The managers discussed the plan that they would like to see　　　 the nest year.

A、carry out　　 B、carrying out　　 C、carried out　　　　 D、to carry out

13、He claimed　　　 in the supermarket when he was doing shopping yesteday.

A、being badly treated　　 B、treating badly　　

C、to be treated badly　　　 D、to have been treated badly

12、While shopping,people sometimes can’t help　 into buying something they don’t really need.

A、to persuade　　　 B、persuading　　　 C、being persuaed　　　 D、be persuaded

11、Who did you see　　　 in the middle of the front row　　　 that much noise?

A、seated;making　　　 B、sit;made　　　 C、sitting;to make　　　 D、seating;to make