[ Vocabulary ]
to close tightly
A. Loosening
B. Clenching
C. Unscrewing
D. Unfastening
Select your answer:

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Tenses › ViewOliver lives in Paris : he ……………………… there since he was born.
A. used to live
B. lived
C. has been living
D. has lived
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Workers are advised not to operate certain machines by…………
A. they
B. them
C. their
D. themselves
