21.Have you heard_____report? People with______good knowledge of engineering are in great need in the job market.
A.a; a | B.the; a | C.a; / | D.the;/ |
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21.Have you heard_____report? People with______good knowledge of engineering are in great need in the job market.
A.a; a | B.the; a | C.a; / | D.the;/ |