Điền can / can’t, could / couldn’t, must / mustn’t vào chỗ trống 1. You _________ work harder if you want to pass the exam. 2. I don’t want anyone to

Điền can / can’t, could / couldn’t, must / mustn’t vào chỗ trống 1. You _________ work harder if you want to pass the exam. 2. I don’t want anyone to know. You _________ tell anyone. 3. _________ you please open the door? 4. _________ I go out tonight? No, you _________ study English. 5. … Đọc tiếp