Three days after the aircraft went missing, an international effort ________ ships and planes hasn't found any wreckage, ________ growing frustration for the families of the 239 people on board.
| A．involved; causing | B．to involve; caused |
| C．involving; causing | D．involving; having caused |
Europeans made ______ clear that they did not want to take the Romans as neighbors.
| A．so | B．very | C．it | D．that |
The 11.11 Shopping Festival held by Taobao attracted thousands of online shoppers, _____ a record of nearly 20 billion yuan within 24 hours.
| A．to make | B．made | C．making | D．having made |
“We_____ the train had we left earlier,” the wife complained to the husband.
| A．wouldn’t miss | B．wouldn’t have missed |
| C．would miss | D．would have missed |
The project _________ by the end of 2012, will expand the city’s telephone network to cover 2000000 users.
| A．being accomplished | B．accomplished |
| C．to be accomplished | D．having been accomplished |
When caughtin the exam，he begged for my pardon and triedpunishment.
| A．cheating；escaping | B．cheating；to escape |
| C．to be cheating；escaping | D．to be cheating；to escape |