31. The Tower of London is _____ the Church tower.
| A．twice high than | B．two times as high as |
| C．twice higher as | D．three times the height of |
The teachers promised to __________ the wishes of the parents before making any change.
| A．take into account |
| B．pay attention to |
| C．consider that |
| D．take account for |
These youths are __________ better educated than those already in the marketplace.
| A．on any average |
| B．on average of |
| C．on average |
| D．on averages |
We hope your suggestion will contribute __________ the problem.
| A．to solving |
| B．to solve |
| C．of solving |
| D．solved |
The islanders __________ fishing, so they value the waters around the island.
| A．live on |
| B．live through |
| C．live by |
| D．live with |
—May I go now?
—__________ you've finished your work, you may go.
| A．After |
| B．Although |
| C．Now that |
| D．As soon as |