[ Conditional Clause ]
if I had …. you before, you wouldn’t have got any problem.
A. knowing
B. known
C. know
D. knew

Random Topics:
CommasSimple Past vs Past Continuous TensePresent Simple vs Present ContinuousSuperlativesTenses and ArticlesWas and WereConditionals / Unreal PastGrammar, Conditional Sentences, VocabularySimple Tenses in EnglishFuture Continuous, Future Perfect and Future Perfect ContinuousOther quiz:
Passive Voice › ViewHas John … by Mary?
A. was help
B. helped
C. been helped
D. was been helping
Adverb › View
perfectly is a proper adverb (true or false)
A. True
B. False