The farmers are busy harvesting.的语法请问为什么在harvesting没有介词呢?弄不懂本句的语法结构?

the farmers are busy ( )《pick》 apples. The farmers are busy harving the crops in the f____ the farmers busy every are day(?)连词成句 the farmers are busy (harvesting).( 对划线部分提问） the farmers are busy (cut)rice 正确形式 理由 Fall is golden and the farmers are busy.中文意思 The farmers are _____ planting crops.A>busy B>buThe farmers are _____ planting crops.A>busyB>busyingC>busy for Look the farmers are busy in the field the rice is____for harvest谢谢了, The farmers are busy (get)ready for the next year适当形式填空 填入适当的介词 The farmers are all busy getting ready______the next year. Farmers are usually busy getting the crops in.请问为什么getting要加ing呢? Farmers are busy working in the fields from m_____ to night. The farmers an busy hanvesting in fall. The farmers are working______the fields. The farmers are (busy) in autumn 是最高级还是比较级,给我一个较准确的答案 the farmers ar busy hafvesting in the _____(field) look,the farmers are busy in the field ,and the rice is -i-- for harvestMany students work hard, they are -o----- about the future 英语句子改错,哪错了,并改正过来1.【Everyone】 【are】【 busy】【 today】. 2.【The farmers】 【all are】【working hard】 【on the f