[ Tenses ]
At this/that time yesterday, he ____ a book in the library.
A. read
B. was reading
C. reads
D. has read

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Grammar: SyntaxMay, MightGrammar (Possessive Pronouns)Tenses - Irregular Verbs-ing form and the to-infinitiveTenses and StructureModal, Causative Verb & Elliptical StructureContrastive ConjunctionsAdjective / Noun + to InfinitivePresent, Past, and Future TimeOther quiz:
Future Tenses › ViewIn half an hour everybody (watch) the film.
A. will watch
B. will be watching
C. will have watched
Conjunctions and Commas › View
Eloise has been very busy _____ she started school.
A. but
B. since