When is World Environment Day: {#blank#}1{#/blank#}.

What: There are usually many {#blank#}2{#/blank#} against environment pollution that day.

Where to keep our exercise books: We keep them {#blank#}3{#/blank#} and then sell them to a paper-making factory.

How many: So far,{#blank#}4{#/blank#} students have taken part in the activity.

How: I hope more students will join us to make our environment{#blank#}5{#/blank#}.

Lost: a {#blank#}1{#/blank#}

My name is Tom. I lost it in the {#blank#}2{#/blank#}.

There is a {#blank#}3{#/blank#}in it. Please call me at six seven {#blank#}4{#/blank#}eight eight seven one.

My grandfather's birthday

Time

On {#blank#}1{#/blank#} 29th.

Place

In a townhouse with {#blank#}2{#/blank#} floors.

Activity

My parents would like to {#blank#}3{#/blank#} a cake.

Uncle John will cook a big {#blank#}4{#/blank#} for us.

I want to perform {#blank#}5{#/blank#} tricks.