II.单项填空(共20小题;每小题0.5分,满分 10分)从四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。---I wonder, Mr Adams, ______ you’d mind us asking a few questions.---______. I am all ears.
The UN system is a major purchaser of goods and services ,_______over $4 billion a year .
I can’t tell you the exact time when I will get there ._______,I’ll be there as early as I can .
We should not judge a person by his _______and the clothes he wears .
As we sped down the highway ,the lights of the city ________before us .
Hiking by oneself can be fun and good for health .It may also be good for _______building .