27. Yang Liwei was picked from the 14 candidates for the Chinese space adventure and became China’s first astronaut _______ his great efforts.

I feel a little hungry, Mom.–There are some pieces of bread on the plate. You can take ______.

Is the computer We don’t have to buy it .

Some drunken drivers think that they may be luckyto________a fine, which may cost their own lives.

The way he did it was differentwe were used to .