当你写了错字时,你最需要什么文具?A.a ruler B.a rubber C.a pencil sharpener
( ) _____ you visit me , we’ll play with the toys.
( )She is fourteen ______ old .
( )The Huanghe River is five thousand metres _______ .
( )The classroom is ten years ______ .
( )Please tell me _____ the Great Wall .