3 . 罗宾是个很有礼仪的男孩子，他听别人说话时总是避免打断人家。
As a boy with ________, Robin always ________ on others while listening.

10 . 从方框中选择恰当的词或短语，用其正确形式填空（每个词或短语只能用一次）。

care;   work closely with;   on one’s own;   hear of;be tired out;   cut in;   clean up;   give up;   hand out;   separate into

1. ________ you ever ________ the story that a 19-meter-long whale was saved in Ningbo?
2. They have been told that the medicine should not be used ________
3. Though he had much trouble ________ smoking, he finally succeeded.
4. Don’t you know it’s impolite ________ on others when they are talking?
5. We ________ when we reached the top of the Huaguo Mountain.
6. —Where are Sandy and Tony?
—They are there. They ________ leaflets at the street comer.
7. Stop worrying about her. She is old enough to deal with the problems ________
8. —What shall we do to prevent Covid-19 from spreading?
—We ________ all the public places first.
9. —Excuse me, president. What have you promised to the visiting guests?
—Uh, we are ________ the UN and provide enough food and medicine for the homeless.
10. In big cities such as Shanghai and Shenzhen, rubbish ________ different groups and then recycled.