Mrs.Smith finds it hard to clear up the mess, as her children are always ________ whenever she tries to.
After so long a walk, he was too _____ further.
I want to know _____.
Don't have your children _____ for hours reading books in _____ dark a room.
Liaocheng, Shandong Pro. is a beautiful city, ____11 pay a three-day visit.
The teachers are doing what they _____ their stuaits.