1.с
2.a
3.a
4.a
5.b
6.b
7.b
8.b
9.c
10.a
1another
2best
3cheaper
4cheapest
5another
6cheapest
7other
8best
9easer
10worst
It's the 10 of June
Of course not!
1. will be published
2. was the telephone invented
3. will be posted
4. Has your composotion been written
5. has been played
6. must be answered
7. was being painted
8. are being discussed
9. have been found
10. could be seen
11. is used
12. had been done