Hello native English speakers and English learners. Which of these is correct? 1a)I felt good mood today. 1b)I am in a good mood today. 2a)He set a world record. 2b)He made a world record. 3a)He is our common friend. 3b)He is our mutual friend. 4a)Where is the capital of Japan. 4b)What is the capital of Japan? 5)I will do anything I can for you. 5b)I do anything I can for you.