[ Vocabulary & Grammar ]
The factories have closed for the weekend to ________ energy.
A. preservation
B. conservation
C. conserve
D. preserve
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Vocabulary and Phrases › View“Reflect on something”
A. To decorate with ornaments
B. To think deeply about something
Grammar › View
Where did the boy go? _____ went to school.
A. Her
B. He
C. She
D. Him
Grammar › ViewI’ve ___ to call the internet company all morning but nobody picked up the call.
A. tried
B. been trying
Modal Verbs › View
She ___ have passed the exam.
A. must
B. should
C. would
D. may