If you are not familiar ________ the topic, you may write something that is familiar ________ you.

Are you familiar with the music?-Yes. There was a time _____ this kind of music was quite popular.

Try to _____ the children down. They’re too excited.

Hi, Jim. You are so early!——Oh, I _____________ up early. It’s so good.

onth, the Japanesegovernment expressed their thanks for the aid they ___ from China