Chọn câu có nghĩa giống với câu gốc nhất

31. She is used to cleaning the floor everyday. 

A. The floor is used to clean by she everyday. 

B. The floor is used to being cleaned everyday. 

C. The floor is used to be clean everyday.

D. The floor used to be cleaned every day.

 32. They oughtn't to give children sweets. 

A. Children oughtn't to give them sweets. 

B. Children oughtn't to be given sweets. 

C. Sweets oughtn't to be given children.

D. The sweets ought not to give to children.

33. They finished the kitchen’s building on Saturday.

A.The kitchen’s building was finished on Saturday.
B.The kitchen’s building were finished on Saturday.
C.The kitchen’s building is finished on Saturday.
D.The kitchen’s building are finished on Saturday.