This is the first time l. ice climbing.
a) 've tried b) was tried d) tried ​

ответ: b) was trie

Объяснение:

1. were shown

2. are developed

3. is being discussed

4. is being built

5. are devoted

6. is known

7. are being prepared

8. were done

9. was being cooked

10. are being sold 

вроде так:

he will not write 10 stories on tuesday.he will not see russia for the environment.it will not be able to send 200 cards on thursday.he will not make 99 large cakes on sunday.