Question

Exercise14. Вставьте в предложения соответствующую форму глаголаbe1.There … a computer club at my school. 2. There… a parking lot in our block (квартал) next year. 3. In his yesterday test there … many errors (ошибка). 4. There… three new subjects in our curriculum (учебный план) next year. 5. There… a concert at the student club tonight. 6. In a week there … yellow and red leaves on the trees. 8. There…an unpleasant incident here yesterday. 9. There … a lot of passengers in the bus. 10. There … only one visitor in the museum now.

Answer 1

1) Is
2) Will be
3) There were
4) Will be
5) Is
6) There are 
8) Was
9) Are
10) Is

Answer 2

Exercise 14: Insert the appropriate form of the verb "be" into the sentences.

1. There is a computer club at my school. 2. There will be a parking lot in our block next year. 3. In his yesterday's test, there were many errors. 4. There will be three new subjects in our curriculum next year. 5. There is a concert at the student club tonight. 6. In a week, there will be yellow and red leaves on the trees. 7. There was an unpleasant incident here yesterday. 8. There are a lot of passengers in the bus. 9. There is only one visitor in the museum now.

Please note that I couldn't find a specific source for each sentence, but the answers provided are based on general knowledge of the English language.