根据句意, 用括号内所给单词的适当形式填空。

小题1:Among the four drama series, actors in Unusual Weekend performed _________ (badly).

小题2:It’s __________ (fair) that you aren’t treated equally like that.

小题3:It’s said that people in the West become adults after they celebrate their _________ (twenty-one) birthdays.

小题4:At the __________ (begin), the boy wasn’t used to speaking English after class.

小题5:Every one of us likes her because she always thinks less of __________ (she) than others.

女性，30岁，身高158cm，体重75kg，月经不规则8年，周期40～90天，原发不孕2年，基础体温单相，月经第25天B超子宫内膜厚1.6cm，双侧卵巢被膜下多个小囊泡，HSG子宫大小形态正常，双侧输卵管通畅，男方精液检查正常。

若治疗2年仍未妊娠，诊刮为中一低分化子宫内膜样腺癌，应（）

A.子宫切除术

B.分期手术

C.甲羟孕酮250～500mg/d连续应用，用药3个月诊刮一次

D.克罗米芬+hCG促排卵

E.丹那唑