A green light means that you can go
Answer:
Gerund
Explanation:
Gerund means adding “ing” onto the word so it would be “we’re going (hiking) up a mountain.”
1a: grim
1b: The Caplans are a robust, healthy lot. Or A man drank some robust wine.
2a: wince
2b: a Formula One car is superior to an Indy car in its acceleration
3a: notify
3b: his mouth fell open as he perceived the truth
4a: throbs
4b: nothing abated his crusading zeal
Answer:
it's the rise and fall in the pich of the voice while speaking
