3.     You can't come in without____________(允许).

2.     We all think it wrong to judge a person by his____________ (外表).

单词拼写

1.     Seeing the happy____________(情景)of children playing in the park,I'm full of joy and confidence in the future of our country.

3.    different ideas， we are now getting  closer to the answer.

A. Tried out         B. Trying out

C. To try out       D. Having tried out

2. The young woman had her car      in the mud for two hours before the rescue workers  arrived.

A. trap    B. trapping

C. trapped   D. to be trapped

1. Look at the timetable. Hurry up! Flight 4026    off at 18：20.

A. will be taken     B. took

C. takes            D has taken

20.    with the theft, he was forced to leave the company.

A.    Concerned

B.    Being concerned

C.    Having concerned

D.    Concerning

19. The old man,    abroad for twenty years, is on the way back to his motherland.

A. to work      B.  having worked

C. to have worked      D. working

18. David got well prepared for the university interview, for he couldn't risk the good opportunity     .

A. to lose       B. losing

C. to be lost      D.  being lost

17. 一Has James finished his report on his enquiry learning yet?

―I'm not sure. He    on it last week.

A. was working      B. has worked

C. worked        D. had worked