Choose the correct form of the verb for past continuous tense: She __________ (sing) when I entered the room.

• ক) sang
• খ) was singing
• গ) is singing
• ঘ) had sung

• was singing

যিকোনো এটা বিকল্প বাছি লোৱাৰ পিছত উত্তৰটো চাব পাৰিব।