----- Nội dung dịch tự động từ ảnh -----
76) Tom _____ to Hanoi before.
A. is never
B. was never
C. had never been
D. has never been

77) When we came to the stadium, the match _____.
A. already begins
B. already began
C. had already begun
D. have already begun

78) It was the first time I _____ such a beautiful girl.
A. ever saw
B. had ever seen
C. have ever seen
D. ever see

79) He _____ in this school before he _____ for England.
A. taught/had left
B. had taught/left
C. taught/has left
D. has taught/left

80) She _____ the gold medal in 1986.
A. wins
B. had won
C. won
D. has won

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