During the earthquake, a lot of buildings collapsed, which killed thousands of people.
During the earthquake, a lot of buildings collapsed, which killed thousands of people.
A. went off accidentally
B. fell down unexpectedly
C. exploded suddenly
D. erupted violently
Đáp án B
=> KEY B: collapsed = fell down unexpectedly: sụp đổ (không như mong muốn)A: nổ bất ngờ
B: phát nổ bất ngờ
C. phun trào dữ dội
