【单选题】Can you _____ to carry that heavy box by yourself?
【单选题】I can’t carry the big box. Can you help _____?
【单选题】The _________ is the item you can carry with you in the airplane.
【单选题】建立工程项目施工质量保证体系的目标是( )。
【单选题】You can get the best result ________ you carry out the experiment under the desired conditions.
【单选题】The most important advantage the North had over the South in the Civil War was its()superiority.
【单选题】()被韩国人认为是 幸运的数字。P309