The doctors in ORBIS have done ______ an important job ______ the patients are all grateful to them.
| A．too, to | B．so, that | C．such, that | D．as, as |
The teacher and inventor________ from Germany．
| A．is | B．are | C．were | D．come |
The students are sorry to hear that the famous writer_______ for ten minutes．
| A．has left | B．has gone | C．has gone away | D．has been away |
None of the children watch it_________ ．
| A．enough careful | B．careful enough | C．enough carefully | D．carefully enough |
Shanghai is larger than________ city in Gansu.
| A．any | B．any other | C．the other | D．another |
一What are you going to do this weekend?
一Well，we’ll clean up the city parks _______ it rains .
| A．if | B．until | C．while | D．unless |