THE CHILDREN VOLUNTEER TO CLEAN UP THE LOCAL PARK … THERE ARE LOT OF USED CANS AND TRASH THERE

11. - BAI TAP TIENG ANH LOP 9 TRAC NGHIEM TU BAI 1 10 11. - BAI TAP TIENG ANH LOP 9 TRAC NGHIEM TU BAI 1 10
Lớp 9 BAI TAP TIENG ANH LOP 9 TRAC NGHIEM TU BAI 1 10

11. The children volunteer to clean up the local park … there are lot of used cans and trash

there.

a. but b. because c. and