[ Vocabulary ]
The man is ______ his research at the moment.
A. doing
B. making
C. getting
D. staying

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Grammar › View………………it dark now?
A. Be
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Choose the correct article to complete the sentence: She found a / an umbrella in the closet.
A. a
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Peter usually…………… his grandparents at weekends.
A. visiting
B. visits
C. visit
