口语运用。
A: Hi, Jerry.
B: Nice to meet you, too.
A:
B: They're on the sofa.
A: Let me have a look.
B: No, she's my friend.
A:
B: It's a model plane.
A:
B: M-O-D-E-L, model, P-L-A-N- E, plane.
A: Oh, I see. Thank you.
B: You're welcome.
Is it possible for us human beings to leave all the animals in the________ ________（自然环境）？
Some of my friends are interested in________ ________（集邮）．
Do you know________ ________（发生什么）outside just now？
Don’t worry about my parents．They are both in________ ________（身体健康）．
Soon they________ ________（飞越）the high mountains and landed safely in Tibet．