________ to the hot weather here was more difficult than I had expected.
Don't put your bicycle ____ the window.The glass can be easily broken.
Just like a voyage at sea, our life journey, _____ days are limited, is full of difficulties as well as opportunities
China has published a book ____ President Xi Jinping's quotations from ancient stories and classics in his speeches and articles.
Compared with one's workplace, home provides a more humane environment for one to____ relax oneself.
On the eve of Chinese Spring Festival, the number of electronic red envelopes given and received via WeChat ____ 1.01 billion, 200 times that of 2014.