1) The poem I've just received ____ by Abai. b) was written
2) You can't use the road. It _____. c) is being replaced
3) The work was not difficult. It ___ by any child. b) could be done
4) I've lost my key. It ___ in my old bag. a) must be left
5) The best bread ___ here. a) is baked
6) A lot of work ___ on the project yet. is going to be done