---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 it

－You should have thanked her before you left.

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

[　　]

--You should have thanked her before you left.

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

[　　]

 --You should have thanked her before you left.

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

[　　]

-- You should have thanked her before you left.

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

[　　]

—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

—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.

[　　]

-- You should have thanked her before you left.

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

[　　]