The work calls for great care and patience, so you ______ to do it.
_______ could be judged from her eyes that she was terribly sorry for what she _______.
I’ve heard that we will set out _________ the morning of Dec 25th .
— Remember the first time we met, Jim? — Of course I do. You _______ in the library.
_______ has recently been done to provide more buses for the people, a shortage of public vehicles remains a serious problem.
There are many other examples _______ the development of Chinese writing.