A. whereby B. whereon C. wherein D. whereas
A. be exported by B. be exported to C. be exported in D. be exported at
A. optimism B. optimistic C. optimist D. optimise
A. farming B. farmer C. farms D. farm
A. assemble vehicle B. assemble vehicles C. assembly vehicle D. assembly vehicles
A. Whilemean B. Mean C. While D. Meanwhile
A. making furniture B. making furnitures C. make furniture D. make furnitures
A. the furnished room B. the furnishing room C. the to-be- furnished room D. the to-be-furnishing room
A. pay attribute to B. pay contribute to C. pay tribute to D. pay contribution to
A. hear B. heard C. hears D. hearing
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