Read the sentence and think about the part of speech and meaning of the underlined word.
then choose the correct definition.
1. The company plans too (launch) its new marketing strategy next year.
1.1 (noun) an occasion at which a new product is shown or made available
1.2 (verb) to start something new,such as a new plan or profession
1.3 (verb) to send something high into the air or into space, such as a rocket
2. The politicians worked long and hard to secure an agreement against the war.
2.1 (adjective) safe, not in danger of harm
2.2 (verb) to get or achieve something important
2.3 (verb) to fasten or tie something to something else
3. We are studying different types of mold cultures in our plant biology class.
3.1 (noun) the beliefs, customs, and traditions of a particular siciety