1£®Concerned (concern) about his wife's safety£¬he rang her up.

2£®They made a bargain with us£¬but they are trying to break it off.

3£®We will adopt his suggestion that the leading body (should)_be_recognized (recognize) as soon as possible.

4£®He hurried to his house only to_find(find) his house broken into.

5£®Once a teacher£¬he now works in a government office.