Question

Vast changes have come in goods trains also.______29( build) for almost every purpose. The closed wagon is the most familiar one used for______30(carry) various goods like cement, grain, etc. There are now refrigerated wagons for carrying fruits, vegetables and fish; tanker wagons to carry oil, petrol and cooking gas; refrigerated tanker wagons to carry milk; box-container wagons _______ 31 (carry) household goods and other things and flat cars to carry big items like trucks, automobiles or heavy machinery. Open topped wagons_______32(use) for carrying coal, ore and other minerals and also sugar cane to sugar factories.​

Answer 1

Answer:

buillt

carried

has carried

usen

Answer 2

Answer:

29. built

30. carrying

31.carry

32. are used

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