They ________ to enter the building by the back door; however, the front door was locked.
A. are supposed B. aren’t supposed C. weren’t supposed D. were supposed
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
