----- Nội dung dịch tự động từ ảnh -----
A. He has started to play soccer when he was 6 years old.
B. He started to play soccer when he is 6 years old.
C. He started to play soccer when he has been 6 years old.
D. He started to play soccer when he was 6 years old.
49. When /we/walk/ in the park/ we/see/ a big snake / on the tree.
A. When we were walking in the park, we saw a big snake on the tree.
B. When we walked in the park, we were seeing a big snake on the tree.
C. When we are walking in the park, we saw a big snake on the tree.
D. When we were walking in the park, we were seeing a big snake on the tree.
50. Five years ago / when / Edward / 35 years old / diagnosed / diabetes
A. Five years ago, when Edward is 35 years old, he was diagnosed with diabetes.
B. Five years ago, when Edward is 35 years old, he diagnosed with diabetes.
C. Five years ago, when Edward was 35 years old, he was diagnosed with diabetes.
D. Five years ago, when Edward was 35 years old, he is diagnosed with diabetes.
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