look he is （writing） a letter to hislook he is （writing） a letter to his mother这句话为什么添加ing,急,

Look!He is writing very______.A goodB wellC fineD nice look he is （writing） a letter to hislook he is （writing） a letter to his mother这句话为什么添加ing,急, Look at -----man.He is-----writing called MoYAN.A.the the.B.the a.选什么? Look at ----man,He is----writing called MO YANA.the a the the 选什么 he is writing () his notebook. Look How ___(care)she is writing Look, Ben is writing a ___________ (check). He is going on a business trip to the USA.应该填什么? He is writing a letter.（对a letter提问） He is writing a letter in his study. （否定） he is writing a book .（改为一般疑问句） In my eyes,i think he is interested（ ）writing 在（ ）填上quiet和quietly1.He is q( )2.He is writing q( ) He is writing a letter被动语态 He is writing a letter____the corner. He is writing aletter翻译,急 He is i__(单词) in writing novels. He is writing a poetcard .(改为否定句）He _______ _______ a postcard Look!The girl is __________(确实) writing on the blackboard.