用所给词的适当形式填空①I {#blank#}1{#/blank#} (surf)the Internet when my friend came to see me.
②It's {#blank#}2{#/blank#} (amaze) to see an alien in the street.
③He went home from work in {#blank#}3{#/blank#} (silent)when he heard the news.
④ She said she {#blank#}4{#/blank#} (can) dance and sing well.
⑤ {#blank#}5{#/blank#} (luck), no one got wet in the sudden rain yesterday afternoon.
