Question

my mobile phone is something _is very important to me​

Answer 1

Answer:

my mobile phone is something that is very important to me

Answer 2

My mobile phone is something that is very important to me​

• The correct fill in the blank is that.
• The term 'that' is a determiner and is generally used to refer people or objects.
• Since, the sentence the importance of mobile phone is referred which is an object, thus that will be used.
• Thus, the correct sentence is My mobile phone is something that is very important to me​