-- -You should have thanked her before you left.
-- - I meant （ ）, but when I was leaving I couldn’t find her anywhere.
A.正确答案Bto 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 （ ）, but when I was leaving I couldn’t find her anywhere.
A.正确答案Bto do
B.to
C.doing
D.doing it
