Trang chủ
 
UNLESS WE _______ THROWING GARBAGE INTO THE RIVER,...
UNLESS WE _______ THROWING GARBAGE INTO THE RIVER, IT WILL BE POLLUTED
Unit 1: HOME LIFE
Nội dung
Đáp án tham khảo
139. Unless we _______ throwing garbage into the river, it will be polluted.
A. stop B. don’t stop C. will stop D. won’t stop
Bạn đang xem
139.
-
Unit 1: HOME LIFE