1. Mum is cooking dinner in the kitchen.
а) готовит
2. I have seen Jane this morning.
b) видела ;
3.1 had written a letter before you came.
b) напишу ;
4. The lab assistant will he writing all the data at 9 o'clock.
а) будет записывать ;
5. They were working from 2 to 3 in the garden.
а) работали ;