—It’s a long story, but you will find that there are few new words in it . —Good!        it will be too hard for children. 

The plane didn’t take off         the heavy rain

-Why does Mrs. Smith like koalas? - _______ she thinks they are very cute.

I don’t know when he_____________; when he__________, I’ll tell you. 

When you talk with a stranger，be          one thing：don't talk too much about yourself．