(1)Mary accepted the {#blank#}1{#/blank#} suggestion. She decided to remove the bad tooth later.
(2)It's a{#blank#}2{#/blank#} experience to do the project with you.
(3)—How can you speak such perfect English! —I teach{#blank#}3{#/blank#}  on the Internet.
(4)You're {#blank#}4{#/blank#} if you always say bad words about your friends.
(5)The zookeeper told us to walk{#blank#}5{#/blank#}  and not to frighten the birds.

There's a bus{#blank#}1{#/blank#}the library．

That war made many people{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#}

{#blank#}1{#/blank#} {#blank#}2{#/blank#}Tony is the most hard-working student in our class.