________ I know, the new airport runway has been under construction for nearly two years.
| A．As long as | B．So long as | C．As far as | D．So far for |
He _________his friend in the crowd at the first sight and called out his name.
| A．spotted | B．watched | C．observed | D．glared |
Used to TV shows, ________ everything is quick and entertaining, many people do not have the patience to read a book that requires thinking．
| A．which | B．what | C．where | D．when |
According to the government, the new tax law will not ________until next month.
| A．take effect | B．bring into effect | C．carry into effect | D．be for effect |
There is much chance ________Bill will recover from his injury in time for the race.
| A．that | B．which | C．what | D．whether |
Every day after I went home, if not _______ from work, I will go out for a walk with my wife.
| A．tiring | B．to be tire | C．tired | D．being tired |