a or an [(1) one; (2) any; (3) each] Would you give me a sheet of paper? (1) A triangle has three sides. (2) He comes to see his grandmother once a week. (3)
able [having the power to do something] Are you able to speak English?
about [(1) almost; (2) of or having a relation to] He completed about half of his work. (1) We talk about the weather. (2)
above [at a higher place] His head was above the water.
accept [to agree to receive] Please accept my thanks.
accident [(1) something that happens by chance or mistake; (2) an unplanned event] She was injured in the accident. (1) We met again by accident after seventeen years had passed. (2)
accuse [(1) to say a person is responsible for an act or crime; (2) to make a statement against someone] Her friend accused her of breaking his heart. (1) The lawyer accused the suspect of lying. (2)
across [(1) from side to side; (2) to the other side] The box was ten centimeters across. (1) The dog ran across the road. (2)
act [to do something] He acted immediately to stop the fight.
activist [one who seeks change through action] The activist worked hard to change the law.
actor [someone acting in a play or show] That actor frightened me.
add [(1) to put (something) with another to make it larger; (2) to say more] Please add my name to the list. (1) She told him to leave, but added that she would like to see him again. (2)
administration [the executive part of a government, usually headed by a president or prime minister] The new administration starts work in January.
admit [(1) to accept; (2) to express one's guilt or responsibility] When was the country admitted to the United Nations? (1) He admitted that what he did was wrong. (2)
adult [a grown person] Only an adult can sign the document.
