Once ______ as the World Natural Heritage by UNESCO, Phong Nha – Ke Bang National Park attracts a great number of visitors worldwide.

My brother has been playing ______ piano since he was a small child.

Both husband and wife should be responsible ________ doing the household chores.

______ his physical disability, he managed to finish the course with good results.

Sue would suffer obesity if she couldn’t control her ________ overeating.

If the weather is fine this weekend, we _______ to see our grandparents.

Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions

A large number of entries has updated in the latest edition of the encyclopedia recently.

The children ________ happily in the park when their parents asked them to go home.