IF WE USE __________ PAPER, WE WILL SAVE A LOT OF TREES.A. FEWER B....

9. - 500 CAU TRAC NGHIEM THI VAO LOP 6 MON TIENG ANH
500 CAU TRAC NGHIEM THI VAO LOP 6 MON TIENG ANH

9. If we use __________ paper, we will save a lot of trees.

A. fewer B. less C. more D. much