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用方框中所給單詞的適當形式填空，每個單詞限用一次。

1.---How about the kids in your neighborhood ?  --- They are happy and ____________.

2.You must be careful when you __________ the street.

3.---I passed the last exam.   --- Oh, you’re really a _________ dog.

4.---Can I help you, madam?   ---Two kilos of ___________, please.

5.Now lots of wild animals are in _________. We must try our best to protect them.

---Excuse me, when         you         the girl over there?

---Last year in Beijing. And I            her for about one year.

用方框中所給單詞的適當形式填空，每個單詞限用一次。

— When______ you______ the smart hat?

— While my parents were waiting for the plane at the airport.

A. did, buy         B.do, buy C.were,buying

Be careful when you ________ the street. The traffic is heavy.