1 are→is
2 staying→to stay
3 many→much
4 relaxed → relaxing
5 sound → sounds
6 in front → in front of
7 on → from
8 carefully → careful
9 to have→having
10 to come→coming
11 to open→opening
12 to learning→learning
13 preffered→prefer reading ( câu này đề hơi kì)
14 to make→making
15 are→is