about (12) ________ each course aims to teach you. The first 2,500 people who sign up will also be able to redeem a coupon for free 365 brand products from Whole Foods.

12/40

about (12) ________ each course aims to teach you. The first 2,500 people who sign up will also be able to redeem a coupon for free 365 brand products from Whole Foods.

that

what

whether

which

Giải thích

B: Kiến thức về mệnh đề danh ngữ:

- Cấu trúc: Wh-/that/whether/if + S + V.

🡪 Dịch: ...và tìm hiểu về mục đích của từng khóa học.