Fill in the blanks

36. The students _________ in the library.

a) study

b) studies

c) studying

d) studied

37. He _________ his car at the gas station.

a) fills

b) fill

c) filling

d) filled

38. The bird _________ in the cage.

a) sings

b) sing

c) singing

d) sang

39. They _________ their lunch every day.

a) eat

b) eats

c) eating

d) ate

40. She _________ the news on the radio every morning.

a) hears

b) hear

c) hearing

d) heard