my answer

批改

一

1. brighter; brightest
2. safer; safest
3. heavier; heaviest
4. thinner; thinnest
5. more important; most important

二

1. B
2. C
3. B
4. B

三

1. She is the happiest person in the room.
2. This box is heavier than that one. (好险😅)
3. 好像没错

四

1. The HuangHe is the secondary... (不会...第二怎么用最高级...你是不是专门来打击我信心的)
2. This book is more interesting than that one.
3. He is one of the smartest student in our class. (会说英语的感觉好爽💥)