－Who’s that girl swimming in the pool Is it Lucy－It be Lucy. She is sleeping in her bedroom now.

The APEC leaders’ meeting greaterimportance to economic cooperation in Asia-Pacific areas

often ______ as an activity for youngerchildren, is still important in the social development of teenagers.

At that time she ___ sit here like that for hours

When we need to get a book, it’s more polite to say,“______________”