Which one of the following sentence is correct?

In spite of his poverty he is happy

I know that he is rich

He is very weak so that he can not walk

Did he write a letter

Each boy and each girl have pens.

Each boy and each girl have a pen.

Each boy and each girl has a pen

Each boy and each girl has had a pen

My principal objection is that I am tired

My principal objection is that i am tired

My principal objection is that i tired

None of above

Have you finished the work yet?

Have you finished the work yet?

Did you finished the work yet?

None of the above

If we had a boat,we will cross the river

If we had a boat,we will be crossing the river

If we had a boat,we would cross the river

None of the above

I will phone you when I get the news

I will phone you when i am getting the news

I will phone you when i will get news

None of the above