choose the correct item. 1<<You look slimmer>>-<<Yes, I... 12 kilos>> A) had lost, B) lost, C) have been lost, D) have lost. 2<<I'm having trouble with this exercise>>, - <<Don't worry, I... you. >> A) have helped, B) am going to help, C) helped, D) will help.3 What... at 10 o'clock last night? A)have you done, B) were you doing, C) have you been doing, D)had you done.4 <<how long have you worked here? >>-<<By the end of the month I ... here for three years. >> A) will work, B) am going to work, C) will have been working, D) will be working. 5<<I need to give a message to Susan. >>-<<I... her at the office this afternoon. >> A) seen, B) have see C) will have seen, D) will be seen.