This is my( )( )th( )( 括号里填什么

This is（）my answer 括号里该填什么? Hellow,Mary.（ ）is my new friend ,Helen.括号里填什么?A.that B.this this toy is （ ）my little brother.请问括号里填什么? Is this a( )orange的括号里该填什么 whose gold ( ) is this 括号里应该填什么 this is {a photo of my school}对括号里提问 {three pens } are on th This b()is my friend,Jack.的()里填什么 this is my car的同义句this car is ____.括号应该填什么? 括号里填什么?when is your birthday ____?It's on September 28th. This is a ( )of my CDs.括号里的填的单词是l开头的 括号内填什么This is my new watch .It was a present()my wife. This lunch box is Sandy丿s.that one is{ }(she).大括号里填什么