1.hotness
2.are playing

Bài 1 
1.hottest                           2. are playing
Bài 2
1. There is a supermarket, memorial , post office and a railway station.
2.She studies at Le Quy Don school.
 3.Yes , she does
4.there is a park in front of the school.
Bài 3:
1 staying                2. are                        3. noisy                         4. cleaner