问题
单项选择题
（）she seemed to find English very difficult, but later he made very good progress.
A.At the first
B.At present
C.At the present
D.At first
答案
参考答案：D
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（）she seemed to find English very difficult, but later he made very good progress.
A.At the first
B.At present
C.At the present
D.At first
参考答案：D