_____ the trip from Alaska to Argentina by bike, Gregg and Brooks worked and saved money for years.
| A．To pay for | B．Paying for |
| C．Paid for | D．Pay for |
________ with some research materials, he decided on three possible approaches in his experiment.
| A．Preparing | B．Prepared | C．Having prepared | D．Prepare |
- Remember the first time we ________, Ed ?
- Of course, I do. You ________ a song on the stage.
| A．have met; sang | B．met; were singing |
| C．met; sang | D．have met; have sung |
Our bodies are ________ by working out. Similarly, our minds are developed by learning.
| A．burdened | B．resembled | C．strengthened | D．worsened |
________ his spare time that his English has improved a lot.
| A．So good use does he make of | B．Such good use does he make of |
| C．He makes very good use of | D．He makes so good use of |
The Chinese government holds that peace and development ________ the Taiwain Straits is the correct path.
| A．beyond | B．over | C．through | D．across |