Tenses — English (Language & Literature) STD 10 — Question

Gandhiji __________spin every morning.

Fill in the blank with appropriate modal:
The villagers ________ use kerosene lamps a few years ago. (must, had to)

I __________Sanskrit for the last two years.

He __________work hard, only then he will pass.

Change the following sentence into Passive Voice.
One should respect one's elders.

Principal to a student: You __________with bad girls.

Report the dialogue between Sanjay and Madan, by completing the sentence :
Sanjay: I am surprised to see you here in Delhi. When did you come?
Madan: I came here yesterday. I have been offered a job here.

Sanjay told Madan that he was surprised to see him there in Delhi and asked when he had come. Madam replied that he had come there the previous day and added that_____________

Report the dialogue between a vendor and his customer, by completing the sentence. 
Vendor : It is nice to see you, Sir!
Customer : Yes, indeed! Unlike last month, I have been away for quite some time this month.

The vendor greeted his customer respectfully and mentioned that he was pleased to see him. The customer answered in the affirmative and explained that ___________ .