Betty wrote to her grandma about her visit with Jenny in Paris．Her aunt and uncle met{#blank#}1{#/blank#}at the airport on Wednesday．On Thursday they visited the Louvre Museum with many world—famous{#blank#}2{#/blank#}of art．Then they enjoyed dinner in a French restaurant．On Friday morning they took a walk in the street markets and did some shopping．Betty{#blank#}3{#/blank#}a present for her grandma．On Friday afternoon they went to the top of the Eiffel Tower with lots of{#blank#}4{#/blank#}．It was wonderful for them to see all the lights{#blank#}5{#/blank#}at night．On Saturday they will take a boat tour on the River Seine．    

—Yes. We have remained {#blank#}1{#/blank#}(密切地) in touch over the years.

Nick: What are you reading?

Jill: It is a book about the future.

Nick: Sounds cool. So what will the future {#blank#}1{#/blank#} like?

Jill: Well, cities will be more and more crowded and polluted. There will be fewer trees and the environment will be in great{#blank#}2{#/blank#}.

Nick: That sounds bad! Will we have to move to other {#blank#}3{#/blank#} ?

Jill: Maybe. But I want to live on the earth.

Nick: Me, too.{#blank#}4{#/blank#}What can we do?

Jill: We can use less water and plant more trees. If everyone{#blank#}5{#/blank#}a part in saving the earth, the earth will be a better place to live in.