Circle the underlined part that is incorrect in each of the following sentences. Then correct it.

One of his hobbies is collect stamps.
1. One
2. hobbies
3. collect
4. stamps
The building suddenly fell down, injured two people.
1. building
2. fell
3. injured
4. people
Embarrass by all the attention, he thanked everyone for the presents.
1. Embarrass
2. attention
3. thanked
4. everyone
They congratulated him on get the first prize in the writing competition about ASEAN.
1. congratulated
2. get
3. writing
4. about
The famous singer came on stage, cheering by hundreds of screaming fans.
1. came
2. cheering
3. hundreds
4. screaming