something, swim, class, careful, hour, easy ,think, minute, what,  eye ,  try ,  difficult. 

        It was the first biology class.  The teacher wanted to give a good start to her{#blank#}1{#/blank#}   . she wanted to open up her students' {#blank#}2{#/blank#}   to the world of biology . She knew that teaching those young students was not {#blank#}3{#/blank#}  , so she worked hard and {#blank#}4{#/blank#}    to find a good way to teach  them . After {#blank#}5{#/blank#}   a long time , She had an idea . She decided to show the children {#blank#}6{#/blank#}   interesting and give them a lesson at the same time.
She asked her students to watch{#blank#}7{#/blank#}  . Then she began . She put a  worn(虫) into a glass of water . the worn {#blank#}8{#/blank#}   around in the water . Then she put a second worn into a glass of alcohol(酒). It was killed after a few {#blank#}9{#/blank#}   .  She asked the students {#blank#}10{#/blank#}  they learned from it . A boy answered , "You showed us that if we drank alcohol, we wouldn't  have worns in our stomaches. "

⑴Reading English {#blank#}1{#/blank#} you to understand it. Many students never spend enough time (about 15 minutes) reading every day.
⑵A {#blank#}2{#/blank#} diet is very important for young students, so you can't eat too many hamburgers.
⑶Dad, what's the time? Is it time {#blank#}3{#/blank#} now?
⑷The boy likes roller skating very much, but his father doesn't have the time to take him to People's Square. So he often skates {#blank#}4{#/blank#} his house.
⑸{#blank#}5{#/blank#} Miss Tian {#blank#}6{#/blank#} Hunan or Sichuan? She eats so hot food.
⑹What is your uncle doing? He {#blank#}7{#/blank#} his e-friends on the Internet.
⑺Sometimes she feels hungry {#blank#}8{#/blank#} , so she eats an apple or a pear.
⑻Usually our parents{#blank#}9{#/blank#} new clothes{#blank#}10{#/blank#} us.
⑼What sports should I do to {#blank#}11{#/blank#} ? Swimming is the best sport.
⑽Cakes and sweets have{#blank#}12{#/blank#} sugar and are bad for your teeth.