The first answer should be correct, as none of the others make any sense.
1. reading - present tense
2. paid - past tense
3. Laughing - present
4. growing - present
5. chosen - past
A participle is a verb that is used as an adjective or a noun. For example, in sentence 1, reading is describing the type of glasses, #2 paid is describing the type of volunteer, etc. Present tense participles usually end in -ing, past tense in -ed.
Answer:
This idiom means, someone who spends little or no time exercising and a great deal of time watching television.
Explanation:
This idiom is supposed to have originated in the 1970's in America by a comic artist who drew two idle and inactive characters, who he called "Couch Potatoes."
Answer:
most costly
Explanation:
The superlative form would be taking the base and adding est, or adding most in front of it, depending on which is grammatically correct. In this case, it would be most costly.