What’s this English? It’s eraser.A.in, an B.for, a C.in, a
Those singers have lovely ___________ and they sing very well.
---How often ___________ the Olympics _____________? ---Every four years.
There were two small rooms in the house, ____ smaller of which served as ____ kitchen.
Is there _______________ to sleep for half a day?
I think you can help ____________ a donation or doing some voluntary work.