---____ skirt is blue.____ is red. Which of them do you prefer?---______ is OK. I like their styles.

. _____ can be enjoyed until you have a deep understanding of the low-carbon lifestyle.

Of the two brothers, Bill is ______ younger one, and he is a quiet boy, ______ that most adults like very much.

-----Which of these electronic dictionaries do you like most ? -------________.They’re both expensive and of little use.

—Hi, what’s wrong with the girl from Japan?    —Oh, she feels lonely, she has ________friends in China.