When a spider invited a fly to see buildings by sea, the fly agreed immediately without second thought .
A. \ ; \
B. \ ; a
C. the ; the
D. the ; a
网友回答
A. \ ; \
B. \ ; a
C. the ; the
(答案→)D. the ; a
解析：考查冠词;第一空填the，by the sea在海边，第二空填a，without a second thought未加思索，句意是：但蜘蛛邀请苍蝇去海边看建筑，苍蝇不假思索就同意了。选D。