D Choose and write (用所给词组的适当形式填空)
make the bed water the flowers walk the dog
It's Sunday morning. We're busy after breakfast. Mum and Dad are (1) in the garden. I'm (2) in my bedroom. My brother is (3) in the park.

(1) watering the flowers (2) making the bed (3) walking the dog

本题考查现在进行时的用法，结构为“be动词+动词-ing形式”。根据地点匹配对应的词组，并将动词变为-ing形式：
1. 花园（garden）对应浇花，water的-ing形式为watering，故填watering the flowers；
2. 卧室（bedroom）对应整理床铺，make的-ing形式为making，故填making the bed；
3. 公园（park）对应遛狗，walk的-ing形式为walking，故填walking the dog。

E Read and choose (选择句子补全对话，填序号，有一项多余)
A. Bobby is playing on the swing.
B. Where are you?
C. She's watering the carrots.
D. What are they doing?
E. Would you like to come after that?
Max and Sam are talking on the phone (电话).
A: Hi, Sam. (1)
B: Bobby and I are in Ruby's garden.
A: What are you doing?
B: I'm having a glass of juice. (2)
A: What about Ruby? What's she doing?
B: (3)
A: Nice! I'm putting away my clothes.
B: (4)
A: Sure. See you.

(1)B；(2)A；(3)C；(4)E

根据对话语境选择合适的句子补全对话：(1)由答语“Bobby and I are in Ruby's garden.”可知，上句是询问地点，故选B；(2)B介绍完自己的动作后，接着说明Bobby的动作，故选A；(3)问句询问Ruby正在做什么，答语应描述她的动作，故选C；(4)由答语“Sure.”可知，此处是发出邀请，故选E。