How much should you pay for the VW?
We tend to realize the value of __ (我们所拥有的东西) until there is no more of it in our life.
Many firms stop at the first stage of successful alliance planning.
You should judge by yourself,______.(别总是跟在你哥哥的后面).
(serve) __ the people well is our duty.
He was a very serious and gifted individual, and __ (他不允许任何事情干扰他的研究), not even under the most extreme circumstances.