And they often study_____long hours.这句话中的空填什么?A.with B.of C.at D.for

they often study( ) long hours And who often ___you with your study? they often help her to study Chinese.改为同义句 This is the_____(twin)study.they often study in it .空格填什么 We often help them with their study.They often help us with our study,too.(同义句转化）Ee often help ____ ____ with ____ study. They often sing and dance.(一般疑问句) Often they read some newspapers and b() sat语法旧版og第一套Linguistic research often requires fieldwork where they can study and record the spoken dialects of a region.where they划线改成during which the linguist为什么不能改成which they 从A、B、C、D中选择正确答案Mr and mrs Smith are American.Now they work in Beijing.They（ 1 ）two children,Sandy and Nick.They study in Beijing,too.Mr Smith likes swimming and watching TV.（ 2 ）wife likes swimming and reading.They often They often help she and we.YES AND NO? How I study English?I often hear some students say English is difficult,and it gives thHow I study English?I often hear some students say English is difficult,and it gives them a headache.So they can’t learn it well.But English is very easy for me. This is the ___(twin)room.they are often study in it They often help me study English.改为一般疑问句怎么改 THey often help me with my _________(study).要变复数吗.为什么? The children often study together,but sometimes they get ____.怎麽填 英语翻译What Are You Crying for?Robert and Peter study in the same university .They do everything together and help each other.But they often play jokes on each other.The school year was over last month and they decided to travel through the coun Peter and Jack are two boys .They are classmates and they are good friends ,too .They often go to school together( 一起),study together and play together.It is a Sunday afternoon .The boys go to Uncle John’s farm .There is a small pond (池塘) n they need hundreds of hours of study and practice,能改为they need hundreds of hours to study andpractice吗