The boy has been sitting there__noonA.at B.in C.for D.since

(sit)__under the tree,the boy has been observing the ants for hours The little boy has been to the zoo the little boy has been gone for ages, The boy is very tall,so he has to sit __ __ __ __the classromm(在后面) The boy _____ the foreign stamps he had collected.A.is sorting B.has been sorted Look at the boy over there.Where _____ he _____ these days?A.has;gone to B.has;been to C.has;gone D.has;been The police __________ out to look for the missing boy.A.has been B.be C.have been D.is The boy has been made what he is.谓语是哪部分? 英语被动句改为主动句Enough has been done to save the sick boy. each boy and each girl has been invited to the tea-party.这是什么时态? 英语翻译The other boy,who suffered minor injuries,has since been released. The boy has been in this school _________.(自从他11岁） The boy has been sitting there__noonA.at B.in C.for D.since ---We are to sit at the table near the window. ---Sorry,but it ____ already.A.has been taken B.has takenC.was taken D.took The boy who was knocked by the truck has been sent to the hospital.改写句子 We________________the boy who was knocked by the truck to the hospital. Look!The boy ____(sit) on the desk The police are worried about the ___(safe) of the little boy who has been missing for 3 days. The little boy often has