Directions: Complete each sentence with the correct form of the word given in brackets.1. When Sam realized he'd hurt his mother's feelings, he was extremely _______ (apologize).2. I've applied to study there, but I haven't yet received _______ (confirm) that I've been accepted onto the course.3. We got into the car and _______ (fasten) our seat belts, prepared for the long journey ahead.4. When I asked her what the matter was, she looked _______ (irritate) and said nothing.5. This is a hiking trip, not a city break! You really only need to pack the _______ (essential).

1. 根据句意，需填入“apologetic”表示“抱歉的”。 2. “confirm”需变为“confirmation”作宾语。 3. “fasten”应改为“fastened”与“got”保持时态一致。 4. “irritate”需变为“irritated”修饰“looked”。 5. “essential”应改为“essentials”表“必需品”。 最终答案： 1. When Sam realized he'd hurt his mother's feelings, he was extremely apologetic. 2. I've applied to study there, but I haven't yet received confirmation that I've been accepted onto the course. 3. We got into the car and fastened our seat belts, prepared for the long journey ahead. 4. When I asked her what the matter was, she looked irritated and said nothing. 5. This is a hiking trip, not a city break! You really only need to pack the essentials.