1. Understandably, Johnson was too .... to do anything
A. ashame B. shame C. ashamed, D. ashamedly
2. People ... any feasible solution to stop global warming before.
A. never find B.never found C. haven't found D. have never been finding
3. John F. Kennedy was the last US president ....
A. assassinating B. to assassinate C. to be assassinated D. assassinated
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Sinh Học lớp 12
