Mr Black decided to give up his farm and devote all his time to______ those children living on the streets.
| A．help | B．helping | C．be helping | D．being helped |
____ 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 |