HE IS ASKING HIS FRIENDS ABOUT THE ACCIDENT AS IF HE ______ POLICE...

21. - 33 DE TRAC NGHIEM CUA MAI LAN HUONG
33 DE TRAC NGHIEM CUA MAI LAN HUONG

21. He is asking his friends about the accident as if he ______ policeman.

a. be b. is c. was d. were