Chọn & Sửa lỗi sai

The reason of her happiness was the surprise gift.

• of
• happiness
• was
• surprise

Correction:

It's one of the most challenging task I've ever faced.

• one
• most
• task
• faced

Correction:

They accused me for lying without any proof.

• They
• me
• for
• any

Correction:

The market sells a variety of good from local vendors.

• sells
• variety
• good
• vendors

Correction:

The research results, together with the data, was published in the journal.

• results
• with
• was
• in

Correction: