HM

. These are my friends. are is 2. Robert is sick. are is 3. Isn't he Mexican? Aren't Isn't 4. His tests aren't very difficult. aren't isn't 5. My parents are not rich, but my aunt is. is are

Hello there Soo Bin,

                       Thank you for dropping by and posting your homework. Have a fantastic day ahead! See you later!

~Teacher Verna~

 These are my friends.

are
is
>>Correct
2. Robert is sick. 
are
is
>>Correct
3. Isn\'t he Mexican?
Aren\'t
Isn\'t
>>Correct
4. His tests aren\'t very difficult.
aren\'t
isn\'t
>>Correct
5. My parents are not rich, but my aunt is.
is

are

>>Correct