Đáp án:
Giải thích các bước giải:
Dung tích phổi = dung tích sống + khí cặn.
xin ctlhn + 5s nghen!
My students are preparing the hall for their meeting
=>The teacher informed
Choose the best answer.
We are looking for ____ place to spend ____ night.
Please turn off ___ lights when you leave ___ room.
I like _____ colorful costumes of ____ ethnic minority people in Vietnam.