(есть вторя часть там тоже 10) Put commas where necessary and complete the sentences (переписываем предложения полностью!):
I would have done my homework yesterday if …
I’ll go out if …
If I had enough time ….
If I had known that she was ill …
If I were you ….

Complete the gapped sentences so that they have a similar meaning to the original ones:

Using a reusable bag regularly is a good idea.
We (should) regularly.

It’s necessary for you to attend the school.
You (have) attend the school.

Kate worked at an entertainment park.
The place (where) an entertainment park.

If you don't follow me, you will get lost.
You will get lost (unless) me.

It's a shame that we didn't go to the festival.
We (wish) to the festival.

Put commas where necessary and fill in the gaps:
The new book by Ivan Bunin I have just read impressed me.
There is the school is the oldest school in the city.
They bought this car in 1990 was the most important purchase in their life.
This is Vincent Willem van Gogh ___ is one of the most famous artist in the world.
This is the book my mother gave me for my Birthday.