It is 30 years ______ China performed the Reform and Opening-up policy ______ has had a great effect not just on China, but also on the world.
A.that; since | B.since; 不填 | C.when; that | D.since; that |
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It is 30 years ______ China performed the Reform and Opening-up policy ______ has had a great effect not just on China, but also on the world.
A.that; since | B.since; 不填 | C.when; that | D.since; that |