A. express B. effort C. employ D. reduceĐoạn văn796/5750A. express B. effort C. employ D. reduce expresseffortemployreduceGiải thíchĐáp án B Express /ɪkˈsprɛs/ Effort /ˈɛfərt / Employ /ɪm’plɔɪ/ Reduce /rɪdjus/