为什么不选will have finished?——Hand in your papers when you___the

Hand in your papers when you _____the test.这是一道选 Hand in your papers的翻译 you ____ hand in your papers when the class is over We will have to hand in our papers by the end of this month Could you ____ me a hand when you have finished your work?(b hand in you papers when you__(finish)the test You will have something in b_______ of your hand —Have you finished your work yet? ( )9.—How long have you___the art club? Be sure to ___ your names before you hand in your papers.A.w when you r_ your hand in class YOU will have to hand in your paper 的paper为何用原形