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10. I must clean the kitchen before my mother _____________________ (get) here.
11. John will study until he ___________________________ (know) all the answers.
12. My mother _____________________ (worry) a lot about me before she _____________________ (hear) that I was safe with my friends.
13. I didn’t like Romania; It ___________ (be) much smaller than I __________________ (expect).
14. By the time the firefighters ____________________(arrive) the building __________________ (already / burn) down.
15. They _____________________ (go) to the cinema after they _____________________ (finish) their dinner.
16. After he _____________________ (work) for the software company for two years he
_____________________ (decide) to give it up.
17. When I _____________________ (arrive) at the station the train _____________ already
_____________(leave).
18. We _____________________ (live) in Italy before we __________________ (move) to Spain.
19. By the time the meeting _______________(finish), they _____________________ (leave) the room.
Answers & Comments
Ответ:
"I must clean the kitchen before my mother gets here."
"John will study until he knows all the answers."
"My mother worried a lot about me before she heard that I was safe with my friends."
"I didn't like Romania; it was much smaller than I expected."
"By the time the firefighters arrived, the building had already burned down."
"They went to the cinema after they finished their dinner."
"After he worked for the software company for two years, he decided to give it up."
"When I arrived at the station, the train had already left."
"We lived in Italy before we moved to Spain."
"By the time the meeting finished, they had left the room."
Объяснение: