You spent 300 yuan on a pair of cotton gloves. Such a pair of cotton gloves_______be worth so much.
The Japanese have ______ uneasy feeling about ________ increasing use of foreign words.
He asked where she ____, but she didn’t respond.
The teacher ___________his students to work hard.
After the age of 50 people often _____________ their individual ambitions.
He is a key ____________ in the murder so we must protect him from all kinds of danger.