问题
When the old man ______ to walk back to his house, the sun itself behind the mountain
A:started; had already hidden
B:had started ;had already hidden
C:had started; was hiding
D:was starting; hid
B:had started ;had already hidden
C:had started; was hiding
D:was starting; hid
正确答案是：
同类题型
▲ difficult ▲ her to make such a big decision within so little time.
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think what _____ to me about her performance is her walking way and sweet voice.