PEOPLE SHOULD SEND THEIR COMPLAINTS TO THE HEAD OFFICE

12. - TRAC NGHIEM RAT HAY ENGLISH 9
TRAC NGHIEM RAT HAY ENGLISH 9
12. People should send their complaints to the head office.a. Complaints should be sent to the head office.b. Complaints should be sent to the head office by people.c. Their complaints should be sent to the head office by people.d. Their complaints to the head office should be sent.