She is _____ careful girl ______ she hardly makes mistakes in the exam.
— Why is the chemical plant closed? — Because large quantities of waste water ______ into the Yangtze River.
The task is very difficult. I wonder whether we will be able to finish it in the ________ of any other helpers.
As _________ teacher, you must believe that you can make ______ difference to the lives of your students.
the occasional visit, what else does Alan do for his kids?
—So you gave her your phone? —. She said she'd return it to me when she could afford her own.