YOU …KEEP IT SECRET OR THEY WILL KILL YOU. A. MAY B. MUST...

7. - BÀI GIẢNG BAI KIEM TRA 45'''' KI 2 SO 1
BÀI GIẢNG BAI KIEM TRA 45'''' KI 2 SO 1

7. You …keep it secret or they will kill you.

a. may b. must c. can d. need