they are picking up apples的问句是什么“士别三日，当刮目相看”是谁对谁说的

They are picking up leaves over there. they are picking up apples的问句是什么“士别三日，当刮目相看”是谁对谁说的 picking leaves the up are they 连词成句怎么连? They are picking apples.(改为一般现在时) those trained dogsare quiet good at picking up the smell of the creature that they are ___ The farmers are picking cotton in the field为什么用picking不用picking up?pick与pick up 什么区别？ 英语翻译what are you doing.l'm watching my classmates.where are they.they are in the woods.are they catching butterflies.no,they aren't..they are picking up leaves. 读对话,回答问题Mingming:What do you see?Dingding :I see my classmates.Mingming:What are they doing? Are they picking up leaves?Dingding :No,they aren't.Mingming:Are they catching butterflies?Dingding :No,they are watching Some of ____(they) are busy with the orange picking. they are picking apples这句话怎么翻译 They are picking the apples 变被动语态 介词填空Why are they picking——the stones picking up leaves是什么意思 they keep the streets clean by picking up rubbish _________do they keep the streets clean? They keep the streets clean by picking up rubbish.（划线部分在by picking up rubbish)是否能说明用how吗? Are you picking on 用回答问题英语哦1.What is Mike doing?捉蝴蝶2.Are you picking up leaves?摘叶子3.Are they playing chess?玩象棋 记得是英语哦 写出英语问句1.The chilren are playing football.2.My father answered the phone.3.They are picking up leaves.4.Amy usually does does homework at night.