问题
填空题
用所给动词的适当形式填空。
1. He hasn't _____ (finish) _____ (read) Harry Potter yet.
2. You _____ ever _____ (throw) things about, haven't you?
3. The film _____ (begin) before they reached the cinema.
4. The girl preferred _____ (walk) to _____ (ride).
5. She is looking forward to _____ (find) her lost book.
答案
1. finished, reading
2. have, thrown
3. had begun
4. walking, riding
5. finding
，则该组合柱的承载力与（）项数值最为接近。