Fill in the gaps with appropriate preposition/article

I gave him.......... one taka note.

Correct the following sentences:

Yesterday he has gone home.

Transform the following sentences:

I saw that he was reading (Simple)

Convert into compound sentence

As he was ill, he did not go to school.

Use right form of verbs:

Let me (go) there.

Translate into English

তার বক্তব্যের গুরুত্বপূর্ণ দিকগুলো কী কী?