—When did you last see Shelly?—On Sunday of last December at celebration of her 40th wedding anniversary.
If you have something important to do, you ___ waste any time.
---Where is my reference book? It was here a moment ago.---Someone ___ it by mistake.
Ireland lies ___ of Britain.
The boy promised ___ mother never to lie to ___ again.
We may learn ___ English well by ___ it.