DON’T CLIMB THAT TREE. IT DOESN’T LOOK ...A. SAFELYB. SAFEC. WELLD...

15. - 3500 CAU TRAC NGHIEM ON TAP AV THCS
3500 CAU TRAC NGHIEM ON TAP AV THCS

15. Don’t climb that tree. It doesn’t look ...

a. safely

b. safe

c. well

d. better

--> b