I won’t tell the student the answer to the math problem until he ____on it for more than an hour.
In the dream Peter saw himself ____ by a fierce wolf, and he woke suddenly with a start.
My mother insisted on sending me to the hospital, _______I received good medical treatment.
When ______ about the possibility that Justin was taken by aliens, Detective Sam Peterson said that there was no hard evidence about this.
The father along with his children ______ going swimming.
I am very _______ in the book.