短文填空。
In China if you are seven, you have to go to school. At school you learn different (1)s .
(2)S is one of them. We have three science classes a (3)w . They are on Tuesday,
(4)W and Friday. We can learn a (5)l in science classes. Mr. Jin is our science teacher.
He wasn't born here. He is from another big (6)c named Haikou. He is a (7)b (生物学)
teacher before. He knows much about plants. For (8)e , when is the best time to water flowers.
He is very (9)s (严格的) with us. After science classes, we are so (10)t (累的).