often do some work at weekends .
A. Voluntary …volunteers B. Volunteers …voluntary
C. Volunteers …volunteered D. Volunteers … volunteering
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
By local doctors and nurses ,we hope to help even more people .
A. training B. trained C. train D. to train
