The old man came to the railway station，only the train was slowly pulling out of the station．
| A．and ran；found | B．running；finding |
| C．running；to find | D．to run；to find |
____ wants to stay in a hotel has to pay their own.
| A．Anyone | B．The one | C．Whoever | D．Who |
The experiment shows that proper amounts of exercise ,if _______regularly, can improve our health.
| A．being carried out | B．carrying out | C．carried out | D．to carry out |
It is one of the funniest things ____on the Internet so far this year.
| A．finding | B．being found | C．to find | D．found |
To learn English well, we should find opportunities to hear English_______ as much as we can.
| A．speak | B．speaking | C．spoken | D．to speak |
---You effort is sure to pay __________
---Thank you for you encouragement.
| A．off | B．back | C． for | D．down |