The environmental problem we are looking forward to _____ is __________ our attention.
| A．see being solved ; worth | B．seeing solved ;worthy |
| C．seeing solved ;worthy of | D．see to solve; worth |
After the new technique was introduced, the factory produced _________ bikes in 2010 as the year before.
| A．as twice many | B．as many twice |
| C．twice as many | D．twice many as |
Instead of ___________the dictionary, I always try to guess the meanings of those new words in the passage.
| A．accounting for | B．referring to |
| C．bringing up | D．dealing with |
Most of the evidence was destroyed in the fire.__________, it would be almost impossible to prove Jim guilty.
| A．Anyhow | B．However |
| C．Besides | D．Thus |
My father read through my composition and _________quite a few spelling mistakes in it.
| A．sought | B．issued |
| C．spotted | D．consulted |
It was about 600 years ago _______the first clock with a face and an hour hand was made.
| A．until | B．when |
| C．before | D．that |