.I want to buy a rope which is _____________this one.
| A．twice as longer as | B．as twice long as |
| C．twice the length of | D．as twice as |
_______ you may have， you should gather your courage to face the challenge.
| A．However a serious problem | B．What a serious problem |
| C．However serious a problem | D．What serious a problem |
The teacher recommended that everyone _______ this dictionary.
| A．bought | B．buying | C．buys | D．buy |
I admired my classmate Lisa very much. ______ her prettiness, she was smart and helpful.
| A．Except for | B．But for | C．Apart from | D．In spite of |
_______ about wild plants that they decided to make a trip to Madagascar for further research.
| A．So curious the couple was | B．So curious were the couple |
| C．How curious the couple were | D．The couple was such curious |
My father has worked for 20 years in the field of medicine, so he has_______ a huge amount of experience.
| A．achieved | B．piled | C．completed | D．accumulated |