[ Conjunctions ]
The children do not know ____________ the test was so difficult. (a)
A. Why
B. when
C. where
D. who
E. why
Select your answer:
Random Topics:
IELTS VocabularyPresent Perfect and Simple Past TenseComparison-ed/-ing AdjectivesGrammar-Verbs & Nouns Singular, Plural, GenderConjunctive AdverbsModals Posibility and ProbabilityPassive Modals in Different TensesPresent Perfect and Present Perfect Progressive TensesOther quiz:
Grammar › ViewSelect the correct abbreviation.
A. Jackson ave.
B. Jackson Ave.
Tenses › View
How long __ you __ (know) each other?
A. do, know
B. are, knowing
C. have, known
D. have, been knowing