----- Nội dung dịch tự động từ ảnh ----- Homework: Speculations Rephrase the sentences using correct form of the words in brackets.(Viết lại các câu sau, kdùng từ gợi ý trong ngoặc) 1. I'm sure she is in bed. (must) 2. It's impossible that he's telling the truth. (can't) 3. Perhaps he was ill. (could) 4. It's impossible that they missed the plane. (can't) 5. Perhaps she phoned later. (might) 6. I'm sure you've heard the news. (must)