A) The adverb in the sentence is well.

a) The adverb in the sentence is well.

• well

b) Bears belong to the family of mammals.

• to

c) At the moment, neither students nor their teacher is participating in this play.

• is

d) My fingernails need cutting. They are so long.

• need

e) The incorrectly written verb form is is waiting. It should be was waiting.

• was waiting

f) I am thankful for his coming in time.

• coming

g) I had to work until midnight, so I was very tired.

• so

h) The hotel where we stayed was very comfortable.

• where

i) It is winter. Everything is covered with snow.

• is covered

j) He asked if she had agreed with him.

• He asked if she had agreed with him.