[ Grammar ]
Ethan’s teacher ______ just explained the new topic clearly.
A. has
B. have
C. had
D. is

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Adjectives & PrepositionsConjunctive Adverbs and PunctuationModals and AdviceTenses, Tag Questions, Phrasal VerbsVocabulary, Adjective & PrepositionModals for ObligationCountable - UncountableCan vs be able toSimple Tenses in EnglishPresent or Past TensesOther quiz:
Adverbs › ViewI won´t see he ______ Monday.
A. until
B. after
C. because
Article › View
____ Harvard University is very prestigious.
A. —
B. The
Grammar › ViewAdverb Identification: In the sentence “They finished the race quickly,” what is the adverb?
A. They
B. Finished
C. Quickly
Grammar › View
Ancient Egyptians _________ the pyramids in over 100 years.
A. builds
B. built
C. builted
D. builded
E. builds
