HEALTH AND HYGIENETEST 1.TEST 1.

5. - BAI TAP TIENG ANH LOP 7 TRAC NGHIEM TU BAI 1 16
Lớp 7 BAI TAP TIENG ANH LOP 7 TRAC NGHIEM TU BAI 1 16

5. … do you brush your teeth?

a. How many times a day b. How often c. A & b.