Over time,__________custom of kissing developed as_______way for adults to express their love for each other.
| A．a; the | B．a; a | C．the; the | D．the; a |
He had planned to make a compromise, but ______ he changed his mind at the last minute.
| A．therefore | B．somehow | C．anyhow | D．otherwise |
A small car is big enough for a family of three ______ you need more space for baggage.
| A．once | B．in case | C．if | D．unless |
The government ______ air quality in urban areas from levels one to five: excellent, fairly good, slightly polluted, poor and dangerous.
| A．distributes | B．arranges | C．classifies | D．divides |
The millionaire passed away, leaving his children with a large ______.
| A．fortune | B．luck | C．sum | D．amount |
The Thinker, head in hand, resting his right arm on his left knee, gained its current title when ______ in Paris in 1890.
| A．exhibiting | B．exhibited | C．was exhibited | D．being exhibited |