(a) cooks (b) is drinking (c) have (d) is
(a) Is (b) ate (c) writes (d) is eating
(a) read (b) cooked (c) are having (d) are dancing
(a) to learn (b) had (c) to go (d) studies
(a) talked (b) swim
(c) are listening (d) are
(a) gave (b) is going (c) traveled (d) is being
(a) are (b) to write (c) are going (d) play
(a) ate (b) is cooking (c) dances (d) to eat
(a) was (b) is speaking (c) is reading (d) said
(a) learns (b) is listening (c) cried (d) wants
Answer Keys:
(71) A; (72) B; (73) D; (74) D; (75) D; (76) C; (77) D; (78) D; (79) C; (80) D