________, I could not memorize the text.
| A．However hard did I try | B．However hard I tried |
| C．However I tried hard | D．However I had tried hard |
Life is like a long race __________ we compete with others to go beyond ourselves.
| A．why | B．what |
| C．that | D．where |
—Come on，please give me some ideas about the project.
—Sorry.With so much work __________ my mind，I almost break down.
| A．filled | B．filling |
| C．to fill | D．being filled |
Mr.Jones，__________ as a famous writer，is popular with his readers.
| A．known | B．knowing |
| C．to be known | D．having known |
__________you’ve passed the test，you can drive a car on your own.But you still should be careful.
| A．Even if | B．However |
| C．Unless | D．Now that |
The young man is one of the few who __________ the plane crash.
| A．survived | B．survived in |
| C．survived from | D．survived after |