IF YOU BREATHE IN DEEPLY, YOUR ________ CAN EXPAND TO TWICE THEIR N...

2. - KIEM TRA 1 TIET LAN 1
Tiếng Anh KIEM TRA 1 TIET LAN 1
2. If you breathe in deeply, your ________ can expand to twice their normal size. A. lungs B. blood C. brain D. thinking