从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性()
A.
B.
C.
D.
参考答案:A
Alice read the letter with a __________ expression on her face, not knowing who sent it to her. [ ]
A. crowded
B. puzzled
C. satisfactory
D. pleasant
教学有法,但无定法。()