Tìm và sửa lỗi sai: The man was unable discovering who had thrown stones at him.

Laura last wrote to her mother a month ago.

=> Laura hasn’t _______________________________.

She spends two hours (work) ______ part time at a supermarket near her house everyday.

Susan is very ______ of telling other people what to do.

The ______ of the people in our community with the government is very necessary. (cooperate)

Viet Nam has abundant mineral water sources, ______ throughout the country.

Christopher Columbus was an Italian ________ who discovered America.

Laos has many advantages in developing ecotourism because it has _________.

National protected areas in Laos have all of the following features EXCEPT