题干
---Have you returned the book to him___? ---Yes, I have______ returned it.
A：yet, yet
B：already, already
C：yet, already
D：already, yet
答案(点此获取答案解析）
C
---Have you returned the book to him___? ---Yes, I have______ returned it.
A：yet, yet
B：already, already
C：yet, already
D：already, yet
里面有41人，中途有9人下车，又上车13人，车上现在有多少人? 正确算式是：（ ）
