“Take this medicine(吃药) and it will make you better soon,” the nurse says to the sick boy.

Tom helped the teacher to hand out the test papers, didn’t he ?

The first lady of the USA, Michelle Obama visited China this spring. She with her mother and two daughters China for a week.

The song __________was created by a funny Korean singer.

Did you read a book about customs last week?– Yes, I found ______ very useful to know the customs of foreign countries.