PRACTICE TEST 5- Đại từ nhân xưng, Đại từ sở hữu và Đại từ phản thân
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______ his wife, ______ the problem. A. Only when John met / he understood B. Only when John met / did he understand C. Only did when John meet / he understood D. Only when did John meet

47/100

______ his wife, ______ the problem.

Only when John met / he understood

Only when John met / did he understand

Only did when John meet / he understood

Only when did John meet / did he understand

Giải thích

Chọn đáp án B