I won't be free _________ I finish this work.A.after C.but D

I won't be free _________ I finish this work.A.after C.but D I wom't be free( ) I finish this work 括号里的词 I won't be free this afternoon.I'll be seeing a friend off. I'm sorry,but I won't be dealing with this much other than d I won't be able to finish my work中的't是什么意思?it? I won‘t leave my office until my work.A finish B will finish To finish this work in such a short time won't be easy.(改为同义 I f____ that you won't be able to finish the work on time. I still --- work,I won't finish before 9:00 p.m.today.A in B I won't go home___I finish my work. I won't leave my office until my work _____.A finish Bwill f I'm going to ____on Satutday.A.be free B.free C.have free D.