[ Tenses of Verbs - Usage ]
Choose the correct Structure of the Past Continuous tense
A. were + verb-ing
B. was + verb-ing
C. was /were + verb-ing

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A. at
B. with
C. from
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She never comes late. She _______ have been held in traffic.
A. can’t
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You should not eat too much fast food ___ it is bad for health.
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