This is [a/an] / These are

This is ___ book

• a

• an

This is ___ orange

• a

• an

____ are my students.

• This

• These

_____ is my friend, Susan.

• This

• These

These ___ my keys.

• isn't

• aren't

This ___ my notebook.

• isn't

• aren't

These ___ your books.

• is

• are

This ___ your jacket.

• is

• are

____________ an elephant

• This is

• These are

____________ a giraffe.

• This is

• These are