Giúp em c27 đến 30 ạ

Viết lại câu không đổi nghĩa. 27. Many children like to go to Bat Trang Ceramic village. They can make their own pottery there. Many children like to go to Bat Trang …………………………………. make their own pottery there. A.Many children like to go to Bat Trang Ceramic village so they can make their own pottery there. B.Many children like to go to Bat Trang Ceramic village as they can make their own pottery there. C.Many children like to go to Bat Trang Ceramic village so that they can make their own pottery there. D.Many children like to go to Bat Trang Ceramic village like they can make their own pottery there.

Câu 28 thôi ạ

Làm giúp em câu 28 ạ

Cho mạch điện như hình vẽ, trong đó R1 = R2 = 20W, R3 = 10W, số chỉ của ampe kế là 2,4A. A.tính điện trở tương đương của đoạn mạch B.chỉ số vôn kế là bao nhiêu