[ Grammar ]
What does a scientist do?
She ____________________.
A. do experiments
B. does experiments
C. flies experiments
D. takes care of experiments
Select your answer:
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Vocabulary and Grammar › ViewThe organization decided to __________ a project which turns food waste into energy.
A. hand down
B. carry out
C. get around
D. look after
Grammar › View
You _____ run across the street.
A. must
B. mustn’t