IELTS Teacher SAJGiáo viên chuyên nghiệp"He ______ the invitation to the party as he was busy." a) turned up b) turned down c) turned in"He ______ the invitation to the party as he was busy." a) turned up b) turned down c) turned inturned upturned downturned in37 đã tham gia kiểm tra# # # # #