Mr Green asked Lily she had written to her father .A. whether ; the day beforeB. whether

问题补充：

Mr Green asked Lily she had written to her father .

A. whether ; the day before

B. whether ; yesterday

C. that ; the day before

D. that ; yesterday

答案：

(答案→)A. whether ; the day before

B. whether ; yesterday

C. that ; the day before

D. that ; yesterday

解析：考查宾语从句和固定词组。前一天the day before ;句意：Mr Green问Lily前一天她是不是给她爸爸写信了。故使用whether是否。故A正确。