At school, some students are active ______ some are shy, yet they can be good friends with one another.
Why not trust and use David? He is still as strong as____ in the team.
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.