Ⅰ、1、Is, playing, Where
2、Does,exercise, is swimming
3、she isn't, is shopping
4、they aren't,Where, are reading
Ⅱ、1、She is watching the video at
home.
2、They want to go to Beihai Park at
2:00 p.m.
Ⅲ、What are you doing; Do you want to play tennis;
What is Bob doing; Is Jason studying for a test, too