- of Class 1 students is in the classroom.
-They are having a P.E. lesson on the playground.
A. All B. None C. Neither.
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 |