早期卵巢肿瘤的最佳治疗方案是 （）
A.激素治疗
B.放疗
C.化疗
D.手术治疗
E.免疫治疗
参考答案：D
—What's _____ favorite sport?
—Her favorite sport is tennis. [ ]
A. your sister
B. your sister's
C. you sister's
D. your sisters
The _____ we get together, the _____ we will be. [ ]
A. more; happy
B. most; happier
C. more; happier
D. less; happy
