[ TOEIC Grammar ]
Lasner Electronics’ staff have extensive ____ of current hardware systems.
A. know
B. known
C. knowledge
D. knowledgeable

Random Topics:
Vocabullary TestThere is or There areAdjectiveVerb to Be Tenses & Object PronounPast Perfect and Past Perfect Continuous TenseGrammar Double Object VerbsPresent Simple TensePronouns, Sentence Structure, and ApostrophesGrammar on ConditionalsGrammar Pronoun and Singular Plural NounOther quiz:
Tenses › ViewJane couldn’t open her door; she………………her keys.
A. forgot
B. had forgotten
C. was forgetting
Tenses › View
They ____ eating pizza every day.
A. don’t like
B. aren’t like
C. doesn’t like
D. aren’t liking
Grammar › ViewSelect the correct form of the verb: “She ___ to the library every weekend.”
A. go
B. goes
C. went
D. gone
Mixed General Quiz › View
Select the meaning of the underlined word in the sentence.
Exogenous factors will affect the patient’s well-being.
A. Produced outside the body
B. Produced within the body
C. Produced by the kidneys
D. Hereditary
