题干
Look! What a nice and clean toilet!
Yes. It ______ every morning.
A：is cleaned
B：has been cleaned
C：is being cleaned
D：was cleaned
答案(点此获取答案解析）
A
Look! What a nice and clean toilet!
Yes. It ______ every morning.
A：is cleaned
B：has been cleaned
C：is being cleaned
D：was cleaned
