8．China is adeveloping country while America is a developed country．——青夏教育精英家教网——

8．China is adeveloping （发展） country while America is a developed country．

7．Have youposted （邮寄） the letter I gave you this morning？

6．I was still hot and sweaty，although （尽管） I walked slowly．

5．Many people like to climb to the top of Mount Tai to watch thesunrise （日出）．

4．My robot washes the dishes and keep themdry （干的） in the cupboard．

3．It's hard toimagine（想象）how they can improve English so quickly．

2．She answered my questions almostimmediately（立即）．

1．Which do you prefer，a sandwich or ahamburger（汉堡）？

20．Which of the followingsigns（标志）means"NO SMOKING"？

19．He became famous afterinventing（发明）a new kind of robot．

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