All the students in this school are required to____ at least two lectures on how to study every month.
He didn't _____ what I read because his mind was on something else.
He thought this was the first pair of shoes that had fitted him _____.
I feel sure that _____ qualification, ability and experience, you are abundantly suited to the position we have in mind.
Children who are over-protected by their parents may become _____.