The purse_____, they went to the police. 

A. not yet found                B. has’t been found 

C. being not found              D. not having yet found 

_____ and out of breath, we reached the top of the mountain and stopped _____ the beautiful scenery.

　A. Tiring; to admire              B. Being tired; admiring

　C. Tired; to admire               D. Tired; admiring

All of the flowers now _____ here have developed from those once _____ in the forest.

　A. raised; grown                   B. rising; growing

　C. raised; growing                 D. rising; grown

When he was a boy, he used to go there and watch _____.

A. to repair bicycles                  B. bicycles to be repaired

C. bicycles being repaired             D. repairing bicycles

The meeting room is big enough ____ one hundred people. 

A. holding                        B. hold                              C. to hold        D. holds

They were made ____ fourteen hours a day. 

A. work                            B. working             C. worked              D. to work

Last Sunday he made a promise ________ he was free he would take me to Qingdao.

A. if                 B. that                C. that if       D. whether

That is _______ he likes the place so much.

A. that              B. what             C. why            D. how

It's uncertain ________ the experiment is worth doing.

A. if                B. that           C. whether        D. how

________ I think he is Charles.

A. Who do you think he is              B. Do you think who he is

C. Whom do you think he is             D. Do you think who he is