Chọn đáp án đúng

B. WIR
C to won
some big trees in the yard when I was 5.
B. are
C. was
47. There
A. is
48. For a long time people
A. may think
49. Nick: "I last
A. saw/ year
50. Jack: "What did you
A.do/ works
D. were
that the world was flat and that people could fall off the edge.
C. are thought
D. thinks
ago."
C. see/ months.
B. thought
Susan at her house two
B. seen/ week
last night?" Jeremy: "I
B.do/ worked
on my Science
D. to win
C. doing/ working
D. saw/ months.
project."
D. does/works