All flights _____because of the snowstorm，we decided to take the train instead.
| A．were canceled | B．had been canceled |
| C．having canceled | D．having been canceled |
The boy joyfully ate up every single bit of the food on the table, his dog at him with its mouth watering.
A. staring B.stared Ｃ.to stare D. having stared
The living room is clean and tidy, with a dining table already ______ for a meal to be cooked.
| A．laid | B．laying | C．to lay | D．being laid |
With efforts _______ conservation, we may believe that people enjoy a healthy life without the environment around them ________.
| A．focused on; suffering | B．focusing on; suffering |
| C．focused on; being suffered | D．focusing on; suffered |
______ of danger in the street at night, she had to go home, with a friend _____ her.
| A．Warned ; accompanied | B．Warning; accompanying |
| C．Having warned; accompanied | D．Having been warned; accompanying |
In the reading room, we found her_______at the desk, with her attention______on a book.
| A．seated; fixing | B．to sit; fixed | C．seated; fixed | D．seating; fixing |
With the boy_______ the way, we had no difficulty _______the way to the West Lake.
| A．to lead; found | B．leading; finding | C．led; finding | D．leading; found |
I fell asleep while working on this paper _______ the computer on.
| A．as | B．for | C．over | D．with |
With all the audience ________, the speech began.
| A．sat | B．seating | C．seated | D．having seated |
_________the exams to worry about, I have to work really hard this weekend.
| A．As | B．For | C．With | D．Because of |
With a lot of children _________ noise around, the students couldn’t concentrate their attention on what they were learning.
| A．to make | B．making | C．made | D．were making |
I fell asleep while working on this paper _______ the computer on.
| A．as | B．for | C．over | D．with |
With all the audience ________, the speech began.
| A．sat | B．seating | C．seated | D．having seated |
With just four years _______, the Brazil Olympic organizers have promised to deliver an equally inspirational ceremony.
| A．gone | B．to go | C．going | D．go |
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