选词填空，从方框中选择合适的单词填入下列句子中，每次只用一次。 either…or, no longer, right now, try…out, thanks to, carry on, make sure, as…as, used to, be proud of 1. We are ______ children. We should learn to look after ourselves. 2. The idea seems fine, but we need to ______ it ______ in practice. 3. ______ the satellites, we are learning more and more about the universe. 4. These skirts don't fit me. They are ______ too long ______ too short. 5. I think there is a train at 7:30. But you'd better ______. 6. I must leave home ______, or I'll be late for school. 7. He ______ smoke a lot, but now he doesn't. 8. It's difficult for us to ______ a conversation in such a noisy room. 9. People in China ______ Yang Liwei's successful flight into space. 10. Speaking is ______ important ______ reading in learning English.