Modern science has found that _______ one is using chopsticks, over 30 joints and over 50 muscles are used, which is a favorable stimulation to the brain.
---Where’s Jack? ---I think he’s still in ___ bed, but he might just be in ___ bathroom.
Alexander Graham Bell invented ___ telephone in 1876.
He has got used to sleeping in ___daytime and working at ___ night.
Write ___ “s” here and write ___ “h” there, please.
The British commander tried to make Nathan Hale ___, but he failed.