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________ head of the Research & Development Department, he has been ________ developing new products.A.Working as...working onB.Working for...working onC.Working as...working atD.Working on...working at
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Many reports have been received from our ()agents in Korea that there are very heavy demands () the devices.A、sales,ofB、selling,onC、selling,ofD、selling,for
We must stress that this offer is firm for three days only because of the heavy demand () the limited supplies of this velvet in stock.A、forB、onC、ofD、in
By () billy we have learned that you would like to establish business relations with usA、the courtesy fromB、courtesies fromC、the courtesies ofD、the courtesy of
I hereby acknowledge the () the following documents from Jimmy.A、receiptation ofB、receipting onC、receipt ofD、receipt upon
The criminal was told he would be immune ____ punishment if he helped the police.A: fromB: againstC: out ofD: by
Nobody is immune ________ taxation.A: fromB: byC: out ofD: against