________ from outside, the yellow light ________ faint.
________ from outside, the yellow light ________ faint.
A.Seeing/looking
B.Looking/seen
C.Looked/seeing
D.Seen/looked
答案及解析: D
________ from outside, the yellow light ________ faint.
A.Seeing/looking
B.Looking/seen
C.Looked/seeing
D.Seen/looked
答案及解析: D