--Students should devote most of their time to studying rather than playing computer games.
---________. No pains, no gains.
| A．Extremely | B．Actually | C．Obviously | D．Exactly |
If the food tastes nice, we will buy some; if ________, ________.
| A．no; no | B．not; not |
| C．not; no | D．no; not |
The man was charged ____________ the crime of betraying his country and sentenced ________ ten years in prison.
| A．for; to | B．with; for |
| C．of; for | D．with; to |
With the popularity of the Internet banking, it is becoming more convenient to ________ a business credit card for personal use online.
| A．look for | B．pay for |
| C．search for | D．apply for |
The guy felt dizzy and sick because of mild ____ shock. He was saved by an ______ engineer.
| A．electric; electrical | B．electrical; electric |
| C．electrical; electronic | D．electric; electronic |
All the task ____ ahead of time, they decided to go on holiday for a week.
| A．had been finished | B．were finished |
| C．having been finished | D．been finished |