______at in this way, the present situation about birds flue doesn’t seem so disappointing.
| A．Looking | B．Looked |
| C．Having looked | D．To look |
The writer was always looking for suitable _____ to use in his next story.
| A．contents | B．articles | C．notions | D．ideas |
I shall take you back to Beijing _____ you are well enough to travel.
| A．presently | B．promptly | C．immediately | D．shortly |
Our house is the most _____ one in the street; it is painted red.
| A．permanent | B．indifferent | C．predominant | D．prominent |
It has been laid down that each student must _____ a composition to the teacher once a week.
| A．turn in | B．give up | C．put forward | D．bring out |
Radium salts, which have been found to _____ in bones, give rise to cancers of the bone.
| A．pile up | B．build up | C．keep up | D．pull up |