I/ had/ An/ clean/ bedroom/ before/ let/ her/ go out/ play//

20/20

I had An clean up her bedroom before I let her going out to play.

I had An cleaned her bedroom before letting her go out for playing.

I had An clean up her bedroom before I let her go out to play.

I had An to clean her bedroom before letting her go out to play.

Giải thích

Đáp án đúng là: C

Dịch: Tôi đã dọn dẹp phòng ngủ của cô ấy trước khi tôi cho cô ấy ra ngoài chơi.