All________made______possible for China to succeed in carrying on its reforms and open-door policy.
She was disappointed that most of the guests ___when he ___ at the party.
As a graducate in computer science, he ___ to work out the problem.
I don't think ___ possible to master a foreign language without much memory work.
If you want to borrow a football after school, your student card ___ here.
You ___ me, but since you have,I’ll keep it secret from others.