Luyện tập tổng hợp

NM

1. By the time the firefighters_________ (arrive), the fire_________ (already destroy)over 50 hectares of pine forests.
2. Two people_________ (report) that flames_________ (trap) them inside a smoke-filledapartment.
3. It_________ (rain) all morning before the tornado_________ (touch) down.
4. They_________ (not know) where to shelter from the storm because nobody_________
(tell) them.
5. _________ (you/ already leave) the office when the fire_________ (start)?
6. The post_________ (not arrive) when I_________ (leave) home this morning.
7. It_________ (be) cloudy for days before it_________ (start) to rain heavily
and_________ (flood) the whole City.
8. When I_________ (get) to the check-in desk, I realized I_________ (leave) my ticket athome.
9. After Tom and his neighbours_________ (put out) the fire, the fire engines_________
(arrive) at the cottage.
10. She_________ (recognize) the warning signs that she_________ (learn) in a schoollesson on tsunami two days before.
11. By the time the rescuers_________ (arrive), they_________ (run) out of food and water.
12. The rescue team_________ (find) the child after they_________ (search) for ten hours.


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