IN 1903, WHEN THE WRIGHT BROTHERS ANNOUNCED THEY HAD INVENTED A FL...

10. - 0 KI NANG TRAC NGHIEM TRONG CAC KI THI TIENG ANH 3 7712
0 KI NANG TRAC NGHIEM TRONG CAC KI THI TIENG ANH 3 7712

10. In 1903, when the Wright brothers announced they had invented a flying

machine, his news was generally ignored.

a. when

b. had invented

c. his

d. generally

c

Grammar and Vocabulary