Lucy practices the piano {#blank#}1{#/blank#} twice a week.

We {#blank#}1{#/blank#} {#blank#}2{#/blank#}.

He {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#}a history teacher in our school.

In those days, books could only be produced one {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} by hand.

At last，Rebecca joined the city football team. She {#blank#}1{#/blank#} to take part in many football competitions. 

The Internet is {#blank#}1{#/blank#} useful {#blank#}2{#/blank#} people can surf online anytime and anywhere.