—Has Mr. Black decided not to take part in the party?
—Yes. But the reason______he refused the invitation is not clear.
| A．what | B．for which | C．with what | D．which |
Don’t try to cheat in the exam; you will never _______ it.
| A． get away from | B． get rid of | C． get away with | D．get out of |
I had been looking for the book for two days _______ I found it at last.
| A． until | B． when | C． while | D．before |
She never laughed, _______ lose her temper.
| A．or she ever did | B． nor did she ever | C． or did she ever | D．nor she ever did |
Most companies’ marketing effort is focused on getting customers, with little attention _______ to keeping them.
| A．paying | B．to pay | C． paid | D．having paid |
Amazing! Too many private cars are trapped on the highways which is free of charge for the first time, causing heavy traffic jams, some even _______ for several hours.
| A．held up | B．broken up | C．taken up | D．given up |