In face of ___ failure, it is the most important to keep up ___ good state of mind.
When it comes to relieving stress, proper rest and good nutrition can help, _______.
The little child ____go out alone at night, so he ____walk in the dark that night.
-We had _______really smoggy December this year. -I can’t remember _____ winter when air was polluted so severely.
To succeed as an artist, one must ________talent and discipline.
The ______ of blood made the girl feel sick and she began to cry.