Of the two brothers, Bill is ____ younger one, and he is a quiet boy, _____ that most adults like very much.
It is suggested that another school___________ in our city.
We should try our best to keep our environment from______.
--- Have you moved into your new house? ---- No. It _________at present.
---- Is everything clear now? ----Yes, the thief has admitted _________.
Peter has many friends,______can help him .