Correct Answer:
Option B - In the given options, option (b) is wrong. because two words (Sanjay and his sister) join then Auxiliary verb, will be plural, in place of was, 'were' will be used.
The correct sentence- Rajeev was happy that Sanjay and his sister were going on the same train next day.
B. In the given options, option (b) is wrong. because two words (Sanjay and his sister) join then Auxiliary verb, will be plural, in place of was, 'were' will be used.
The correct sentence- Rajeev was happy that Sanjay and his sister were going on the same train next day.