Sentence Improvement

English Language Teir-1 (IB) ACIO - Intelligence Bureau

Title

45:30

8 of 24 completed

5 of 15 completed

38 of 100 completed

8 of 20 completed

Indian Economy - Understanding the basics of Indian economic system

The diesel engines replaced the steam engines and the old ?rst class coaches (is replaced) by coupes in a corridor.

was replaced

were replaced

were replace

no improvement

Since whole sentence is in past tense so we need to use second form of verb here.