Choose the most correct answer (Chọn câu đúng) 1) Somebody cleans the room every day

EXERCISES
I.    Choose the most correct answer:
1.    Somebody cleans the room every day.
    A. The room everyday is cleaned.    B. The room is every day cleaned.
    C. The room is cleaned every day.                   D. The room is cleaned by somebody everyday.
2.    Tom bought that book yesterday.
    A. That book was bought by Tom yesterday.   B. That book was bought yesterday by Tom.
    C. That book yesterday was bought by Tom.   D. That book was bought yesterday.
3.    They will build a new house in our town. 
    A. A new house will build in our town.        B. A new house will be built in our town.
    C. Our town will be build a new house.         D. Our town will be built a new house.  
4.    People believed that John is a good person.
    A. It is believed that John is a good person.    B. It was believed that John is a good person
    C. It believes that John is a good person         D. It believed that John is a good person.
5.    No one has cleaned the floor for weeks.
    A. The floor hasn’t been cleaned for weeks.    B. The floor has been cleaned by someone for weeks.
    C. The floor hasn’t cleaned for weeks.                D. A & B are correct.
6.    How do people learn languages?
    A. How are languages learned?    B. How are languages learned by people?
    C. How languages are learned?    D. Languages are learned how?