It is clear that your ____ English will greatly improve if you can practice ____ wherever you can.
---Would you please give him the paper the moment he ___?--- No problem.
I'd love __ to your party last Sunday if not because of the unexpected guests.
To our surprise, the painting considered ___ should have won the prize.
The old woman had a letter from her son in the army ___ to her.
The joke told by Tom made us ____, so our maths teacher couldn't make himself______.