Farmers can save a considerable amount of pesticide by______________.

(单选题)Who wrote Mrs. Warren’s Profession? (单选题)Digital content is so easily accessible nowadays that young (单选题)He didn’t make ________ preparations, or he would have succe (单选题)There is a good social life in the village, and I wish I ___ (单选题)She has many good friends, _________ are really kind to her (单选题)Walter’s work ________ efficiently, the boss decided to prom (单选题)The underlined letters in the following words have the same (单选题)Infrared scanning technology may be brought back into operat (单选题)The application of infrared scanning technology to agricultu (单选题)Farmers can save a considerable amount of pesticide by______