Rewrite these sentences

Văn bản đọc:
                                                        NEW HIGH SCHOOL ON OAK STREET
The city plans to start building a new high school on Oak Street next March at a cost of $45 million. The builder expects to finish the school in three years. The school will have space for 3,000 students
----- Nội dung ảnh -----
3. (When / the builders / start)
A: ____________________________?
B:
4. (How much / it / cost)
A: ____________________________?
B: ____________________________
5. (How long / it / take)
A: ____________________________?
B: ____________________________

There are four mistakes.