— As we know, keeping positive is beneficial to the process of our work and study. — You can say that again. Struggle not to let negative ideas_______.
On the morning of October 12, 1492, Christopher Columbus and his crew came to the shores of the Caribbean islands, mistakenly believing they ________ in Southeast Asia.
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.