There __________ great changes in our hometown over the twenty years.
Some people are taking photos, ________ are riding elephants.
Mona likes drawing pictures. She wants to be ________ artist.
—Kangkang, can you see a few people _____ Chinese kung fu over there? —Oh, yes. They’re cool!
—_____ is the weather _____ today? —It’s cool.
_____, please! Let’s begin our lesson.