The school board has teachers to spare no effort to help the students who have fallen behind in studies.
The fact __________she hasn’t know the result of the examination is a great surprise to me.
A much better way must be found to achieve an equal________of the resources.
—On the contrary, I think it is the mother, rather than her children, _________to blame. —I agree with you.
.________that we should look after the three dogs three times, my mother left home.
He was so deep in thought, thinking of the problem ________he knocked into the tree without noticing it.