Câu hỏi bằng tiếng Anh khi tham gia một khoá học

Cấp học:

What levels of courses are available at the tennis school?

Thời lượng: 

How long does the course for beginners last?
How long does each course last?

Chi phí:

How much does each course cost?
How much do i have to pay if I take the tennis lessons for beginners?

Thời gian:

What are the time of course for beginners?

Quy mô:

How many people are there in a class