Answer:
1) A
2) B(jack means is a name)
3)A
Explanation:
I hope this helps
This book is only of 100 pages, I (iii will have read) it by lunch time.
Rajendra (iii hasn’t) completed his work yet.
Water (ii will boil) at 100 degree Celsius at sea level.
The fuel (i will have run) out by 2030.
She is used to (iii chewing) tobacco.
The topic sentence is the last one "A hero is someone who sacrifices himself for a greater cause."
Sadness of a child and tears