Zhao Benshan，whose overwork ________ his health failure，is said to have performed in．the Spring Festival Gala on CCTV in 2011．
| A．contributed to | B．appealed to | C．applied to | D．owed to |
Most of the developing countries are faced with lots of troubles , _____the financial problem is not the worst .
| A．which | B．with which | C．that | D．of which |
It was the second time that I_______of the changes of the timetable .
| A．have been informed | B．had been informed |
| C．have informed | D．had informed |
I think it quite foolish of you_______into buying such products as that .
| A．to persuade | B．persuading | C．to be persuaded | D．being persuaded |
My classmate Andrew went to Vancouver , Canada in 2005 , and_____since .
| A．has not heard of | B．had not heard of |
| C．has not been heard of | D．had not been heard of |
Her performance in the driving test didn’t reach the required standard , _____, she failed .
| A．all in all | B．at the same time | C．in the end | D．in other words |