[ Phrasal Verb ]
The New product has to …….. Various stages of testing and checking before it is introduced into the market.
A. Breakdown
B. Get off
C. Go through
D. Run over

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Grammar › ViewHe didn’t enjoy studying abroad as he had ____________ friends there
A. Little
B. Few
C. A few
D. A lot of
Modals › View
She ___ swim very well when she was younger.
A. can
B. could
C. must
D. may