[ Tenses and Sentence Completion ]
We ______ (wait) for the bus when it started raining.
A. were waiting
B. are waiting
C. had waited
D. wait

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Grammar › Viewa person’s age, religion, and national and ethnic background
A. Cultural characteristics
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The teacher was very ________ yesterday!
A. angrily
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A. lazy
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I ___ bring my umbrella because it’s sunny.
A. mustn’t
B. shouldn’t
C. don’t have to
D. can
