. What beautiful day it is! Why not go out for picnic?A. a; /B. the; aC. /; aD. a; a

问题补充：

. What beautiful day it is! Why not go out for picnic?

A. a; /

B. the; a

C. /; a

D. a; a

答案：

A. a; /

B. the; a

C. /; a

(答案→)D. a; a

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