在句子的横线上，写出空缺处各单词的正确形式。（每空只写一词）。

小题1: ________（平均）earnings in the state are about $ 1,5000 a month. 

小题2: Mike , a foreign ______ (商人),came to the factory last week.    

小题3:For            (各种各样)reasons, he had to leave his homeland.

小题4:The notice reads: “Don’t come in without          （允许）”.

小题5:Officers can’t work properly without certain important pieces of ___________(设备) .

小题6:It is well known that quality is more important than ______ (数量).

小题7:The doctor _____________ (表扬) the daughter for her courage this morning.

小题8:With the prices of goods going up ,The cost of living is increasing ___________(逐渐).

小题9:He stood up and went out, disappearing in the ____________（远处）.

小题10:They lived in London until quite ____________(最近).

小题11:This article deals with American literature and American cultural            (背景).

小题12:He stayed there watching out of ________ (好奇).

小题13:There was a            (广场)with trees and grass in it in the center of the city.

小题14:Plants             (倾向于) to die if you don’t water them regularly. 

小题15:It wasn’t until the 1960s that the Australian government came to realized the importance of passing laws to             (加强) the rights of the “ first Australians”.