Which verb form correctly completes the sentence? is the verb singular or plural? the boy in those photographs to be in his early teens.

a. looks, plural

b. looks, singular

c. look, plural

d. look, singular

Read the sentence. marissa heard the class bell ringing loudly walking down the hall. what is the best way to revise this sentence? `marissa heard the hall ringing loudly walking down by the class bell. `marissa heard the class bell walking down the hall ringing loudly. `walking down the hall, marissa heard the class bell ringing loudly. `walking down the hall, the class bell ringing loudly marissa heard.