Look, Ben is writing a ___________ (check). He is going on a

Look, Ben is writing a ___________ (check). He is going on a look he is （writing） a letter to his He is writing a letter Look who ( ) on the blackboard?A is writing B are writing he is busy writing something on a pice of paper. This is a photo of simon and Ben.They look happy on the hrea He is writing a letter____the corner. Look at -----man.He is-----writing called MoYAN.A.the the.B. He is going on a big trip.变一般疑问句. Ben is going to -----his grandparents tomorrow .He is going It is a fine day .What about ___________?A going my father is going on a ——.he is going to beijing