—We have a tight schedule, so you mustn't __________ staring at the ceiling.
—No, I won't.
| A．meet with |
| B．adapt to |
| C．sit around |
| D．set aside |
--- Did you get a ticket?
--- No, ______, but there wasn’t any left.
| A．I tried | B．I tried to | C．I try | D．I try to |
The UN Climate Change Conference in Copenhagen was held in a tense ______ due to lack of deep understanding.
| A．atmosphere | B．state | C．situation | D．phenomenon |
--- I borrowed 10 dollars from Cathy, but she insisted that I borrowed 15 dollars from her.
--- I ______ you the money. Why didn’t you ask me?
| A．must lend | B．could have lent | C．would lend | D．should have sent |
They want to make ______ clear to the public that they are doing an important and necessary job.
| A．this | B．it | C．what | D．that |
Up till now, more than 120 world-famous enterprises ______ companies in Tianjin Binhai New Area.
| A．have established | B．established | C．will establish | D．have been established |