6 [单选题,1分] The young engineer has been working hard to fulfill the task____to him by the director.

[单选题]The central government has been working hard to keep China’s economy _____.

[单选题]She has been working hard day and night during these years ______ she could

[试题]1 Oliver Hoppe has been working at Hoopers and Henderson accountancy practice for eighteen months. He feels thathe fits in well, especially with his colleagues and has learnt a lot from them. However, he feels that the rules andregulations governing e

Each choice can be used only once. 15 [单选题，1分] The local government has been p

[试题]H．ad they not been working so hard，they______(not achieve)so much.

[单选题]H．e was ______to director.A． acceleratedB． liftedC． raisedD． promoted

[单选题]It was the training that he had as a young man( )made him such a good engin

[单选题]It was the training that he had as a young man( )made him such a good engin

[单选题]It was the training that he had as a young man( )made him such a good engin

[单选题]It was the training that he had as a young man( )made him such a good engin