20．Choose the best answer to complete the passage．
In China，most families have one baby．Are you the only child in your family？Do you want to have a younger sister or brother？Well，（21）Aa new baby in your family is really special．If everyone in your family（22）Ccare of the baby，your mom will be very glad to have（23）Ahappy family．When you help to look after a new baby，you must try to（24）A．
Babies don't need sugar or salt，so don't give these things to（25）B．In fact，sugar
and salt are not good（26）Cbabies，or you．Always ask your parents before you do
anything for the baby，and they will show you how（27）Alook after your new little brother or sister．Your mum will be（28）Bif the new baby wakes a lot during the night．You might be able to help your mother by doing something nice for her，like bringing'（29）Bto drink for mum while she is thirsty．
You may feel（30）Ajealous（嫉妒）of the baby sometimes．Don't think that you are a"bad person"if you get those feelings．（31）Anatural for you to have such feelings，Although there is one more child in your family，（32）Byour parents still love you as usual．
The most important thing is that you should try to be a good elder brother or sister，your parents also（33）Cyou to be friendly to your brother or sister．In the future．he or she will help you in（34）Aways．When you go to university，your parents won't feel（35）C．
Do you look forward to having a brother or sister？
| 21．A．having | B．have | C．has |
| 22．A．taking | B．take | C．takes |
| 23．A．such a | B．so a | C．as such |
| 24．A．be careful | B．look out of | C．be carefully |
| 25．A．it | B．them | C．you |
| 26．A．with | B．at | C．for |
| 27．A．to help | B．helping to | C．help to |
| 28．A．hungry | B．tired | C．happy |
| 29．A．oranges | B．water | C．apples juice |
| 30．A．a little | B．a bit of | C．a kind of |
| 31．A．It's | B．That's | C．This is |
| 32．A．but | B．/ | C．so |
| 33．A．expects | B．hope | C．wish |
| 34．A．many | B．much | C．a lot |
| 35．A．along | B．alone | C．lonely． |
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