Question

0952 ✗ The medicine proved very effective. The medicine proved very [[effective]]. efficient | effective

Accepted Answer

efficient The medicine proved very efficient. The medicine proved very [[efficient]]. effective efficient = working quickly and without waste: 'The more efficient the engine, the less petrol it uses.' 'Since the new software was installed, library services have become much more efficient.'effective = having the desired effect: 'There are many effective ways of using computers for training purposes.' 'The advertisement was simple, but remarkably effective.'

Idx	0952
Keyword	efficient
Type of Sentence	✗
Error Sentence	The medicine proved very efficient.
Correct Sentence	The medicine proved very effective.
Cloze Error Sentence	The medicine proved very [[efficient]].
Cloze Sentence	The medicine proved very [[effective]].
Cloze Answer	effective
Choices	efficient \| effective
Explanation	efficient = working quickly and without waste: 'The more efficient the engine, the less petrol it uses.' 'Since the new software was installed, library services have become much more efficient.' effective = having the desired effect: 'There are many effective ways of using computers for training purposes.' 'The advertisement was simple, but remarkably effective.'

Efficient Medicine Proved Effective Working Quickly Waste Engine