1) Could
2) Couldn’t
3) Can
4) Can
5)Couldn’t
6) Couldn’t
7) Could
8) Can’t
9) Couldn’t
10)Could
Answer: It is basically an event that takes place every year on April 22nd, in an effort to demonstrate support for environmental protection. First held in the year 1970, since then, billions of people all around the world contribute each year by planting trees, and prevent using vehicles in order to stop pollution on their end.
Explanation: See answer above.
Answer:
d.the nonverbal communication of both the children and their grandparents is very ambiguous
Explanation:
