我不确定这对夫妇结婚多久了，但我听说他们一见钟情。
I’m not sure ________ to each other, but I know they fell in love with each other at first sight.
尽管成功遥不可及，但俩双胞胎都没有轻言放弃。
Though success was far beyond reach, ________.
安德鲁的妈妈看上去很年轻，经常被错认为是他姐姐。
Andrew’s mother looks so young ________ his sister.
这家酒店为被隔离的房客提供高水准的服务。
The guests who were isolated could get ________in this hotel.
我觉得熬夜看完整本书不值得。
I don’t think that it ________to finish reading the whole book.
如果你以问题的形式请求帮助，听起来会显得更有礼貌一些。
If you ask for help ________ a question, you’ll sound much more polite.
