[ Past Simple and Past Continuous ]
The teacher told us to stop what we _____.
A. did
B. were doing

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Prepositional PhrasePhrases and ClausesGrammar SuffixesPresent Simple and Present ContinuousGerund, Participle, Infinitive, or AppositiveCan vs be able toWord Form & Verb TenseModals - Reported Speech - ConditionalsActive & PassiveGerunds & Infinitives + VocabularyOther quiz:
Preposition › ViewShe is ashamed ___ her behavior.
A. of
B. on
C. at
D. for
Tenses › View
If we burn paper, it ______ ash.
A. become
B. becomes
C. became
D. is became
Sentence Completion › ViewThe students are expected to finish —– the books on the reading list before the semester ends.
A. more
B. the most
C. almost
D. most of
Comparatives ( adj/ adv) › View
The air in the mountainous zones is ______ than that in the cities.
A. more fresh
B. fresher
C. more fresher
D. freshly