This and These & colour of clothes

________________ is my book.

• This

• These

________________ is my phone.

• This

• These

________________ are my bottles.

• This

• These

________________ are my trousers.

• This

• These

This __________ my face mask.

• is

• are

These __________ my face masks.

• is

• are

This __________ my yellow dress.

• is

• are

These __________ my yellow dresses.

• is

• are

These are her _____________.

• jeans

• cap

This is his _____________.

• pen

• pens