问题
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
B: to
C: doing
D: doing so
正确答案是：
同类题型
.I was about to leave for work ______the telephone rang
What ____ you to get bored with her?—_____was her laziness and unkindness.
Henry is late again.It is ____of him to keep others waiting.
Do you mind _____alone at home? —No, but I want a good book_______. [ ]
During the ten-day vacation，they traveled to many parts of France ________their own expense.