如果你想表达我来自中国，你应该说（）

A.Thisismyteacher

B.Sheismyteacher

C.He'smyteacher

A.The boy in red shorts is the first

B.The boy on red shorts is the first

C.The boy to red shorts is the first

A.My adress is 135 Nine Street

B.My adress is Ninth Street 135

C.My adress is 135 Ninth Street

A.It's under the table

B.Where is the pencil

C.Where are you from

A.How much is this scarf

B.Is this your scarf

C.Where is my scarf