[ Modals ]
I ________ study hard.
A. have to
B. must
C. may
D. can
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Present PerfectQuestion WordsElectricity VocabularyIf ClausesWh- Questions Present Simple TenseSimple Present and Present Continuous TenseTenses and Time MarkersHas and HaveMust Vs Have toConstrative ConjunctionOther quiz:
Grammar › ViewTime phrases with present continuous.
A. sometimes, never, usually.
B. next week, this term, this day.
C. at weekends, on mondays.
Vocabulary › View
the crime of betraying one’s country
A. treason
B. traitor
C. insupportable
D. sincerity