5.4 word analysis

Which two words are synonyms of ordinary?

One of Mario's toy cars is very rare, while the other one is ordinary.

Mud kept the houses cool from the soaring temperatures.

Which word has the same meaning as soaring in this sentence?

Read this sentence.

Teddy bears, posters, games, stickers, and pencils are just some of the prizes for the lucky winners.

In which word does -y mean the same as it does in lucky?

Read this sentence.

The factory will manufacture new tractors and other farm machines.

In which sentence is the underlined word used correctly?

Read this sentence from the Hiking Essentials section:

Visitors should bring a complete first aid kit in case of illness or injury.

Read this thesaurus entry.

complete adj.- entire, finished, perfect, total

Which word best replaces complete in the "Hiking Essentials" section?

After Lily left home for college, her dad tried to sell the computer games she had played when she was little. However, he soon found they were obsolete.

The word obsolete means:

Mrs. Smith was nervous about flying on an airplane. She had never flown before. Her daughter reassured her by telling her that planes are very safe.

The word reassured means:

The fingerprints of a koala are so indistinguishable to humans prints that they have on occasion been confused at crime scenes.

Using context clues, what is the meaning of the word indistinguishable ?