Trang chủ/Câu hỏi/Why is Mr. Carter unavailable?Quay lạiClick meXem chi tiết bài testChia sẻWhy is Mr. Carter unavailable?Chọn một đáp ánCâu hỏi: Why is Mr. Carter unavailable?AB. He is on vacation.BA. He is meeting a client.CD. He is giving a presentation.DC. He has not arrived at work yet.