These wild flowers are so special I would do _______ I can to save them.
| A．whatever | B．that |
| C．which | D．whichever |
Small _____ it is, the pen is a most useful tool.
| A．because | B．so | C．if | D．as |
After the new technique was introduced, the factory produced _____ tractors in 1988 as the year before.
| A．as twice many | B．as many twice |
| C．twice as many | D．twice many as |
The piano in the other shop will be _____, but _____.
| A．cheaper; not as better | B．more cheap; not as better |
| C．cheaper; not as good | D．more cheap; not as good |
John plays football _____, if not better than, David.
| A．as well | B．as well as | C．so well | D．so well as |
Although he is considered a great writer,
| A．his works are not widely read | B．but his works are not widely read |
| C．however his works are not widely read | D．still his works are not widely read |