Why do you want a new job ____ you’ve got such a good one already?
On September 8th, Obama, President of America, made an inspiring speech at the school opening, which has left a lasting ___________ on the audience.
John’s quick action shows that ________ knowledge of first aid can make real difference in saving a person’s life.
-----“________, sir?” -----“No. Go ahead.”
In the environment area, there is a system ________ the waste is disposed of by using the principles of ecology.
After the recovery from her illness, my mother began to writing something as a way to kill her time.