－How did you find those days.－The dayswe spent together on the farm are not easyA. that；t

－How did you find those days.
－The days we spent together on the farm are not easy ．
A. that；to forget
B. when；to be forgotten
C. when；to forget
D. that；to be forgotten

(答案→)A. that；to forgetB. when；to be forgottenC. when；to forgetD. that；to be forgotten解析：A　考查定语从句及固定句式。that代替先行词the days在定语从句中作spent的宾语。“be ＋adj.＋to do”结构中通常用主动形式。

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