---You should have thanked her before you left.

  ---I meant _______. But when I was leaving I couldn’t find her anywhere.

A. to do  B. to  C. doing  D. doing so

---You should have thanked her before you left.

  ---I meant _______. But when I was leaving I couldn’t find her anywhere.

A. to do  B. to  C. doing  D. doing so

---You should have thanked her before you left.

     ---I meant _______. But when I was leaving I couldn’t find her anywhere.

A. to do  B. to  C. doing  D. doing so

---You should have thanked her before you left.

---I meant _______. But when I was leaving I couldn’t find her anywhere.

A. to do  B. to  C. doing  D. doing so

--You should have thanked her before you left.

  ---I meant _______. But when I was leaving I couldn’t find her anywhere.

A. to do  B. to  C. doing  D. doing so

--You should have thanked her before you left.

--I meant ________, but when I was leaving I couldn’t find her anywhere.

A. to do          B. to               C. doing            D. doing so

 --- You should have thanked her before you left.

   --- I meant ______, but when I was leaving, I couldn’t find her anywhere.

  A. to do          B. to          C. doing        D. doing so

---You should have thanked her before you left.

  ---I meant _______. But when I was leaving I couldn’t find her anywhere.

A. to do  B. to  C. doing  D. doing so

—You should have thanked her before you left.

—I meant _______, but when I was leaving I couldn’t find her anywhere.

A. to do　　　　 B. to　　　　 C. doing　　　　 D. doing it

---You should have thanked her before you left.

---I meant _______. But when I was leaving I couldn’t find her anywhere.

A. to do  　　　　　B. to  　　　　　　C. doing  　　　　　D. doing so