He is only too ready to help others, seldom, ____, refusing them when they turn to him.
To _____, in the school art festival next week, the quiet boy will have an opportunity to attract public attention.
In the coming school sports meet, the school will have us ____ groups.
If you can’t understand these sentences, your constant lack of handing in homework ____.
We all ____ that the construction of the bridge will be finished next term.
____ to cholera, the people became _______.