[ Grammar ]
The children ______ photos in the park when Story ____ them. ( to take / to see )
A. will take / see
B. were taking / saw
C. have taken / have seen
D. have been taking / were seeing

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Simple vs Continuous Past TenseMixed GrammarLinking Verbs & Helping VerbsPossessive PronounsRegular Plural NounsPrepositions and Prepositional PhrasesHave to / Do not have toPreposition FormLet & Be allowed toCoherent Sentence with Correct Grammar StructureOther quiz:
a, an, the, Zero Article › ViewI am going to study ____ Chinese next year.
A. A
B. An
C. The
D. –
Grammar › View
Pedigree pets …… (be) very expensive and difficult to care for
A. are
B. Is
C. Were
