Tìm lỗi sai rồi sửa

1) This has to be the most (A) supreme (B) example of ignorance (C) I have ever (D) encountered.

2) Helen is extremely (A) perfect (B) when it comes (C) to grammar (D), as I am, said Dorothy.

3) Even (A) though the two properties are priced like (B), the condo buyer will need more (C) income (D) to qualify for a loan.