[ Vocabulary ]
The customer service was ___________ in resolving the issue.
A. efficient
B. efficiently
C. efficiency
D. inefficiency

Random Topics:
Mixed ConditionalSentence and FragmentVerbs and TensesHave to/Has toVerb Forms and PrepositionsToeic VerbFuture Perfect TenseWishesGrammar RulesSimple vs Continuous Past TenseOther quiz:
Grammar › ViewTo be a doctor you don’t have to study .
This sentence is wrong :
_
A. TRUE
B. FALSE
Tenses and Structure › View
Identify the past simple form of the verb in this sentence: ‘She (to go) to the store yesterday.’
A. goed
B. goes
C. went
D. going
