Only when he returned home ______ what had happened.
| A．did he realize |
| B．he realized |
| C．he did realize |
| D．has he realized |
You will get to the church more quickly if you take this _____ across the fields.
| A．track | B．passage | C．method | D．journey |
He gave me some very _____ advice on buying a house.
| A．precious | B．worthy | C．precise | D．valuable |
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 |