One of the most important things in education is to let students ____ positive emotions and experience in the process of their learning.
We can’t use the machine now, for it _______.
To her surprise, the life she had been looking forward to ________ to be unpleasant.
My advisor encouraged ______ a summer course to improve my writing skills.
In fact, is really a hard job for the police to keep order in an important football match.
They considereda computer, which was considereda great help in their work.