They kept trying, and their efforts finally _____. They got enough money to _____ their debt.
| A．are paid off; pay back | B．paid off; pay off |
| C．are paid for; pay back | D．paid back; pay off |
—Don’t you know your computer has been inflected with viruses?
— Really？No wonder it hasn’t_______ as properly as before.
| A．managed | B．controlled | C．operated | D．appeared |
The three sisters decided to hold a family party to ______ their parents gold wedding.
| A．welcome | B．congratulate | C．memorize | D．celebrate |
He is a thoughtful and qualified father; He ____some time every day to read to his children.
| A．sets down | B．sets off | C．set out | D．set aside |
Despite the fact that he has lived in China for many years, Mark still can not______ himself to the Chinese customs.
| A．adapt | B．account | C．adopt | D．accept |
She longed for a pleasant trip in the summer, while her parents desired that she_______ at home, preparing for the coming exam..
| A．stay | B．stays | C．must stay | D．would stay |