What should you say?

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Across
  1. 3. The teacher's name (5 letters)
  2. 4. What Katie suggested Dan should say when his tummy growls (4 words, 12 letters total)
  3. 7. Another polite word taught by Mrs. Lim (8 letters)
Down
  1. 1. The grade Mrs. Lim teaches (6 letters)
  2. 2. A polite word taught by Mrs. Lim (6 letters)
  3. 5. A phrase Mrs. Lim taught her students to use when they hiccup or sneeze (6 letters)
  4. 6. Number of students in Mrs. Lim's class (5 letters)