I_______ watch Happy Goat and Big Big Wolf because I don’t think it’s so interesting.

---Can I help you?---Well, I’m afraid the box is _______ heavy for you, but thank you all the same.

There is no time left. I’m afraid I can        finish the work.

We __________ used (使用) computers many years ago, but now they’re everywhere.

—What’s the weather like outside?—It’s raining heavily . You’d better not go out.