10. He tried in vain to______ his wife to change her idea.
举一反三
- He tried ______ vain to find her ______ his underclothes. A: in, in B: in, on C: on, on D: with, on
- We tried ________ vain to make him change his mind.
- He ____ in vain to make his wife happy.
- He tried to _______relations with his former wife but he failed.
- No matter how hard he tried, she could not change her mind.