The book was written in 1946, ____ the education system has witnessed great charges.
| A．when | B．during which | C．since then | D．since when |
The purpose of new technologies is to make life easier, ________ it more difficult.
| A．not make | B．not to make | C．not making | D．don’t make |
The selfless village doctor treated whoever came to his family without any_ _.
| A．cost | B．payment | C．charge | D．price |
Many people believe that poverty is only a problem in rural areas. __, it is also a problem in some urban areas.
| A．As a result | B．Furthermore | C．In the end | D．As a matter of fact |
When we got to the stadium hurriedly, the leaders________their speeches and the performance __________.
A. have finished; began B. had just finished; had begun
C. had just finished; was about to begin D just finished; began
I _______ in a foreign company for five years. Still, I don’t regret giving up the well-paid job.
| A．worked | B．have worked | C．was working | D．had worked |