1. 选词填空

take charge of, so far, be similar to, go missing , run after, on average

1. （1） The technology would that used to clone animals.
3. （2） I asked him to the business while I was away.
5. （3） The little girl several days ago, but the police haven't got any clue about it.
7. （4） If you two hares(兔子), you will catch neither.
9. （5） We received 20 calls a day .
11. （6） I haven't got any reply from her .