Question

Fill in the blanks using the correct form of verb in the given worksheet.

Answer to be written in class work copy.

11. By the time the troops _____________ (arrive), the war will have ended.

12. By the year 2020, linguists ___________________ (study) the Indy-

European language family for more than 200 years.

13. Gasoline ____________ (become) a major problem for people for the

last ten years, therefore, during this time many people have

preferred to sell their cars and buy smaller ones.

14. By the time he was 14, Wolfgang Mozart _________________ (compose)

an enviable number of musical pieces.

15. Nothing in my life _____________ (be) so strong to stop me achieve my

goals so far and I don’t think anything will be.​

Answer 1

Answer:

I don't understand question

Answer 2

Answer:

arrive

studied

became

composed

been

Explanation:

I think above are the correct answers