…………. is work that involves studying something and trying to discover facts about it. 

Choose the word or phrase with the same meaning as the underlined part.

The construction work was carried out by the local contractor.

Choose the word or phrase with the same meaning as the underlined part.

Teachers have been asked to concentrate on literacy and numeracy. 

During Tet holiday, homes are often ……….. with plants and flowers 

Choose the word or phrase with the same meaning as the underlined part.

Some high school students take part in helping the handicapped.

Choose the word or phrase with the same meaning as the underlined part.

Each nation has many people who voluntarily take care of others.

When someone …………… a poem or other piece of writing, they say it aloud after they have learn it. 

……….. is the state of not knowing how to read or write.