Yes, ______ is difficult to find a job nowadays, but _____ is more difficult is try to find such a job with a high salary but little things to do.
The bell _______ the end of the period rang, _______ our heated discussion.
Evidence has been found through years of study that children’s early sleeping problems are _______ to continue when they grow up.
Do let your mother know the truth. She seems to _______ everything.
Only if enough evidence is discovered _______ in the existence of the monster.
His experiences as a volunteer in the quake-hit areas have changed his attitude toward society and _______ influence his future life.