[ Conjunctions ]
I don’t know ____________ he left the party so early.
A. when
B. why
C. because
D. and

Random Topics:
ClauseSuffixes and TensesFuture or PastWish - beginnerPast Simple or Past ContinuousVerb & GrammarPresent Simple Positive and NegativeDependent PrepositionGrammar - Capitalization and Possessive NounsQuantifies and Modals of DeductionOther quiz:
Grammar and Vocabulary › ViewAs the baby had cried himself _________, his mother sighed with relief.
A. sleeping
B. to sleeping
C. into sleeping
D. to sleep
Grammar › View
You were late, and we ______ started the meeting without you.
A. already
B. all ready
Grammar › ViewThat lady over there is Ahmad’s ___.
A. wife
B. wifes
C. wives
D. wive
Vocabulary › View
a long, narrow ditch in the ground
A. scurry
B. furrow
C. chaos
D. sternly
