题目内容
一、 单项选择（共15小题；每小题1.0分，满分15分）
In ____ 1980s, great changes have taken place in ____ China.
A. /; the B. the; / C. a; / D. the; the
B
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一、单项选择（共15小题；每小题1.0分，满分15分）
In ____ 1980s, great changes have taken place in ____ China.
| A．/; the | B．the; / | C．a; / | D．the; the |