Complete the sentences with the adjective or adverb from of the words given

complete the sentences with the adjective or adverb from of the words given
11 jonh is a ......student(careless)
12 roger đi the work   ....(careless)
13 my mother is...person (serious)
14 she thought ....about that matter (serious)
15 i see john very...at the school cafeteria(freguent)
16 my brother's friend are ...visitors in our home (freguent)
17mary đi her homework very ...(quick)
18 he always has...answer to give us (quick)
19 this is an ... exercise (easy)
20 i đi this exercise .....(easy)