[ Adverb and Noun Clauses ]
For many years people have wondered ______ exists elsewhere in the universe.
A. that life
B. life which
C. whether life
D. life as it

Random Topics:
Simple Future - PassiveComparatives or SuperlativesPassive VoiceWish / If only ( Present)Figurative LanguageModal Verbs and PermissionModals - Reported Speech - ConditionalsFuture Tense - will and going toSimple and Continuous Present TenseModals and Comparative SuperlativeOther quiz:
Simple Present and Past Tenses › ViewUsually, my sister _____ the car at night.
A. drives
B. doesn’t drive
C. didn’t drive
D. don’t drive
Grammar › View
___ hour ago we met ___ history teacher.
A. A / an
B. A / a
C. An / a
D. An / an
Traditionally, ____ bride and groom go on their honeymoon immediately after ____ wedding reception.
A. a – the
B. the – a
C. the – the
D. a – a
Grammar › View
Which word is correct?
A. there
B. the’re
C. they’re
