[ Causative Verbs ]
The teacher encouraged us ___ harder.
A. working
B. to work
C. work

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Adverbs, Prefixes, and SuffixesInfinitive FormsQuantifiers & Modals of ObligationHabitual and Continuous TensesInversion + Passive VoiceParticipal PhrasesModals and Comparative SuperlativeGrammar and Language UsageHave to / Do not have toUncountable NounsOther quiz:
Everyday vs. Every Day › ViewCarla never gets annoyed by such an (everyday, every day) frustration.
A. Everyday
B. Every day
Tenses › View
Up to now, we …. to each other for two months.
A. don’t talk
B. didn’t talked
C. haven’t talked
D. hadn’t talked