[ Subordinating Conjunction ]
He has been working hard ______ he started his new job.
A. since
B. because
C. until
D. before

Random Topics:
Adverbs of Frequency & Simple Present TenseIrregular Plural NounsVerb, Object, PrepositionPassive VoiceTransitional WordsConditional Sentence Type 3TOEFL Adjective and AdverbFuture Tenses, Conditionals and ProfessionsTo infinitive - GerundModal ProbabilityOther quiz:
Modals and Phrases › ViewBy the time he was seven, _____ speak four languages fluently.
A. he can
B. he could
C. he’s been able to
Grammar › View
. He doesn’t work hard at all. He is _______.
A. intelligent
B. lazy
C. hardworking
D. cheerful
