For holidays, many people visit the Great Barrier Reef _______ the northeast coast of Australia, _______ has more than 600 islands.
A.on, which | B.on, that | C.off, which | D.off, that |
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For holidays, many people visit the Great Barrier Reef _______ the northeast coast of Australia, _______ has more than 600 islands.
A.on, which | B.on, that | C.off, which | D.off, that |