圈梁及在同一水平面上封闭的梁，如被门窗洞口截断可不做处理。（）
参考答案：错
Maybe you have been to many countries，but nowhere else such a beautiful palace.
A．can you find
B．you could find
C．you can find
D．could you find
甲怀揣匕首前去杀乙，快到乙家门口时，见乙骑上摩托车外出，只好返回。甲的行为构成：( )。
A．犯罪预备
B．犯罪未遂
C．犯意表示
D．犯罪中止
