补全对话
A: It's Sunday today. We don't have{#blank#}1{#/blank#} lessons.
B: Yes. Let's go to Grandpa's{#blank#}2{#/blank#}.
A: Great. Let's go.
B: Look, what {#blank#}3{#/blank#}on the tree?
A: They're{#blank#}4{#/blank#}. Would you like one?
B: {#blank#}5{#/blank#}, please. Can you pick（摘）one for me?
A: Sorry, I{#blank#}6{#/blank#}. It's difficult. We can ask（请）
Grandpa for helping.
B: OK. Oh, look at these{#blank#}7{#/blank#}.
A: They're lovely.
