[ Grammar and Idioms ]
His explanation was so ___ that no one could follow it.
A. complexity
B. complex
C. complicate
D. complicatedly

Random Topics:
Modals with Perfect InfinitiveQuantifiers / Prepositions of Time and Comparative AdjectivesSimple Present and Present Continuous TensesVocab CheckingPassive Modals, Impersonal PassiveComplex PrepositionsGerunds, Infinitives and ParticiplesConjunctions & PrepositionsRun-On SentencesPast Continuous Tense & Past ModalsOther quiz:
Conditional Sentence Type 1 › ViewIf he … the book, I will borrow it in my university library.
- hasn’t
- doesn’t have
Prepositions › View
He ran ________ gas on his way to work.
A. through
B. off
C. out of
D. into
Tenses › ViewShe ____________ (live) in London for five years.
A. was living
B. has been living
C. lived
D. have lived
Grammar - Quantiflier › View
Hurry up! I can’t wait— longer. I have —– things to do.
A. any, few
B. much, much
C. any, many
D. a little, many
