- Do you regret ______ up your opinion that every child should take part in service learning?- No. On the contrary, I think it is very necessary.
The rock is _____ two hundred kilograms, and almost no one can move it.
These books are ___ written for those who learn how to use computer. It's an ABC of computer learning.
Computer technology will ______ a revolution in business administration.
Her financial adviser_______ her against such a venturesome investment.
The two countries once_______ into one, it will become a strong and powerful one in the world.