这句话有语法错误吗 that we can see or can not see is not true

WE CAN NOT SEE i can see some spoons ,but i can not see any knives .这句话中为什么 we can see those chairs are not made of wood or matals.They you can not see it? we can not help _________(laugh)when we see him. Whether this is true or not,I can't say. if i can see you again 这句话有语法错误吗 I can not see my glasses,Where ( )是are they or is it?需要理由,令人 Time is always with us in our live.We can not see it.But we We can suppose that whether or memory is good or not depends can’t see u all~can not see,　can not see. 这句话有语法错误吗?There is no doubt that we can benefit a lot from t