Daddy, I’m anxious about the coming exam. –Come on, boy. You’ve got to have confidence in yourself ___ you will make it.

It’s surprising that your brother _____ Russian so quickly—he hasn’t lived there very long.

ter fix the computer himself—He ________________, because he doesnt know much about computers.

It is the first time that I _______ this kind of moon cake

The police were seeking moreinformation to find out ______ the rich merchant.