I didn’t know __________. Can you tell me?
| A．who to speak to | B．who speak to |
| C．who to speak | D．who spoke |
ORBIS doctors many patients, but patients do not have money to pay for the .
| A．treat …treatment | B．treatment …treat | C．treating …treated | D．treated ….treating |
It is necessary to help____________ poor.
| A．a | B．an | C．/ | D．the |
Lu Xu is known_________ a great writer and thinker.
| A．by | B．for | C．as | D．with |
You have done an important job people must be really grateful to you .
| A．so… that | B．such… that | C．too … to | D．enough …. to |
Bylocal doctors and nurses ,we hope to help even more people .
| A．training | B．trained | C．train | D．to train |