一、用be的适当形式填空：
1 The sky （was） blue just now.Now it （is） grey.
2.It （was） an egg a week ago.Now it （is） a duckling.
3.I（am） a girl now.But ten years ago,I（was） a baby.
4.We （were） in the playground.Now we （are）in the playground.
5.There （are） some apples in the box.But now there （is） nothing.
6.（Be） careful!The traffic light （is） red.
7.（Were） you at home last night?No,I （was） in the supermarket with my mum.
8.They （were） chicks.But now they （are） hens.
二、看音标写单词：
1 /kə'ku:n/ cocoon
2./wʌns/ once
3./'pʌpi/ puppy
4./mDθ/ mouth
5./wʒ:/ were
6./bɔ:n/ born
7./grau/ grow
8./tʃiə/ cheer
9./wDz/ was
10./'silkwʒ:m/ silkworm
三、改句子：
1 It is a sunny day today.（用yesterday代替today)
It was a sunny day yesterday.
2.They were puppies.改为单数句
It was a puppy.
3.The sofa was near the window.改成一般疑问句
Was the sofa near the window?
4.I was born (in Shanghai).对括号里提问
Where were you born?
5.The caterpillar likes eating (leaves).对括号里提问
What does the caterpillar like eating?
6.I put the silkworms on the （leaves).对括号里提问
Where did you put the silkworms on?