THEY ... US SOME NEW MAGAZINES AND BOOKS IF THEY ...A. BRING / COM...

12. - 3500 CAU TRAC NGHIEM ON TAP AV THCS
3500 CAU TRAC NGHIEM ON TAP AV THCS

12. They ... us some new magazines and books if they ...

a. bring / come

b. will bring / come

c. bring / will come

d. would bring / had come

 b