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.A
B.B
C.C
D.D
参考答案:D
解析:
图形均为轴对称图形,且只有一条对称轴。本题正确答案为D。
—I'm happy to be here for my six-month English course.
—_______. Call me if you have any trouble. [ ]
A. Help yourself
B. Thanks a lot
C. Be careful
D. Enjoy your stay