A．by public B．in public
C．in a public D．in the public
48．Such men have made＿＿＿＿＿by developing oil businesses．
A．great fortunes B．a huge fortune
C．some huge fortune D．a great fortune
49．There are ten＿＿＿teachers and two hundred＿＿＿students in the school．
A．women； girl B．woman； girls
C．women； girls D．woman； girl
50．The boy wrote＿＿＿＿＿last week．
A．a two-thousand-words article
B．two two-thousand-words article
C．a two-thousand-word article
D．two two-thousand-words articles