Choose the correct answer for each question.

1. How do you create comments in XHTML code?

   1.   ?    //comment
   2.   ?    <!-- comment -->
   3.   ?    /* comment */

2. How do you create comments in CSS code?

   1.   ?    //comment
   2.   ?    <!-- comment -->
   3.   ?    /* comment */

3. How do you create comments in JavaScript code?

   1.   ?    //comment
   2.   ?    <!-- comment -->
   3.   ?    /* comment */