选词填空 Mr Li,what are you doing these days?I am____a science p

选词填空 Mr Li,what are you doing these days?I am____a science p Are you busy these days ,Mr Li Yes.I am _______(collect) som 英语翻译Hi Paul.How are you?What are you doing these days?I am i ---What are you doing these days?---I have been ______ the c what are you doing these days?A.are you doing B.do you do.C. what are yuo doing these days? 大学英语作业A:Hi,Sun Yan!What are you busy doing these days?B:I'm How are you doing these days? 1 Hi,Ben!What are you doing these days?3 Oh what's Wrong wit what （are） you （doing ）these days?是不是these days 就决定用现在进行时? [ ] What are you busy ___ these days?A.do B.to do C.doing D. What are you busy doing these days?[ ] ready for the final e