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1. this building has been built for ages.
--> it's ages since................................................
2. we went swimming in spite of the heavy rain.
--> although it rained..........................................
3. ann lives in england. she is now living in Vietnam for her study.
--> ann, who........................................................
4. people are resurfacing the road in this village.
--> the road.........................................................
5. she doesn't study hard, so she fails the exam.
--> if she..............................................................