This or These? 1).... is Michelle's pen. 2).... computer is expensive. 3) .... books are...

Question

This or These? 1).... is Michelle's pen. 2).... computer is expensive. 3) .... books are mine and those are yours.
That or Those? 1).... bikes are mountain bikes. 2) .... shoes are too big. 3).... book is very interesting.

Answer 1

1 часть:
1)This is Michelles pen
2)This computer is expensive
3)These books are mine and those are yours
2 часть:
1)Those bikes are mountain bikes
2)Those shoes are too big
3)That book is very interesting.
Это легко, пиши.

Answer 2

This
This
These
Those
Those
That