1. Anyone can’t leave school without the head teacher’s ______.
A. permission            B. permit                          C. possibility             D. prediction
2. New evidence has ______ the first witness’s account.
A. conducted             B. contacted                     C. considered            D. confirmed
3. Van Gogh was famous for his Sunflower, which was painted in three ______ of yellow.
A. ports                    B. shores                        C. shades                  D. stairs
4. Could you tell me what the letters stand ______ in the popular TV play which is being broadcast?
A. for                       B. of                              C. with                            D. off