Trang chủ
 
WHEN FOOD AND GERMS COLLECT IN A SMALL CRACK, OUR...
WHEN FOOD AND GERMS COLLECT IN A SMALL CRACK, OUR TEETH ...A. BECOM...
TEST 1 CHUYEN ANH G 9 2010
Nội dung
Đáp án tham khảo
2. When food and germs collect in a small crack, our teeth ...
A. become hard B. begin to decay.
C. send poison into the blood. D. makes us feel quite ill.
Bạn đang xem
2.
-
TEST 1 CHUYEN ANH G 9 2010