慢性盆腔炎的病理类型包括()、()、()、()。
参考答案:慢性输卵管炎积水;输卵管卵巢炎;输卵管卵巢囊肿;慢性盆腔结缔组织炎
The driver could have survived, but he ____ the seat belt.
A.had been fastening
B.hadn’t fastened
C.was fastening
D.didn’t fasten