(construction) The old professor made a number of very ______ suggestions concerning soil conservation in the area.
举一反三
- The old professor gave us a number of very (help) _______ suggestions.
- After making observations for a week in the plant, the industrial engineer made a number of very constructive suggestions in an oral report to the manager.() A: careful B: cautious C: deserved D: helpful
- 青书学堂: The news made the old lady very _____.
- After making observations for a week in the plant,the researcher made many very ____ suggestions in an oral report to themanager.
- The professor<br/>made a number of __________ comments on my paper. A: artistic B: basic C: positive D: educator