The conductor asked me twice … my card.
A) if I had tapped
B) whether I have tapped
C) did I tap
D) had I tapped
The conductor asked me twice … my card.
A) if I had tapped
B) whether I have tapped
C) did I tap
D) had I tapped
The conductor asked me twice if I had tapped my card.
(Đây là câu gián tiếp sử dụng if/whether + mệnh đề khẳng định )
The conductor asked me twice … my card.
A) if I had tapped B) whether I have tapped C) did I tap D) had I tapped
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