[ Grammar & Vocabulary ]
The students worked hard to clean ______ the park after the festival.
A. out
B. off
C. up
D. through
Select your answer:

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Grammar › ViewI have decided to _________ the upcoming competition.
A. join
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_______ here, he would help us with these troubles.
A. Were Peter
B. If were Peter
C. Unless were Peter
D. Unless Peter were
