指出错误并改正：（ ）This is my a pen.______括号中填错误的,横线上填改正的.

指出错误并改正：（ ）This is my a pen.______括号中填错误的,横线上填改正的. Mark is going to singing this Saturday有一处错误,请指出并改正 This is my a ball.有一处错误,请指出并改正. that is he camera每处有个错误,指出并改正 These is my apples（指出并改正句中各句的错误） this computer is two expensive 找出错误 并改正 This is the my telephone.找出错误并改正 有错误请指出,并改正 指出下列句子中的错误,并改正. 指出句子中的错误并改正. This pair of trousers are my father's.指出句中错误并改正 帮忙指出句子中的错误并帮忙改正 （只有一处哦）Who is the most healthy in your famliy? 指出句中错误并改正.1、This is a photo on Daming.2、Write your name in your pen.急. We're thinking this CD is very expensive.(找错误,并改正）找出句子中的错误（语法）并改正. Linda is my sister's the best friend. 中有一处错误,请指出并改正. 下列句子均有一处错误,请指出并改正.What a beautiful music it is! What a sunny weather it is today请指出这个句子的错误并改正 Look!Jim is swimming in the pool .指出错误并改正