单词拼写。请把答案的完整形式写在以下横线上。

1. I can't c ______ on my work when I'm tired.

2. She pulled the drowning man from the water and gave him first a ______.

3. He ______ to the public to protect the environment. (呼吁)

4. This heating system has an ______ temperature control. (自动的)

5. Large q______ of air-conditioners are sold because of the hot weather.

6. He was ______ as monitor of our class. (任命)

7. A foreign c______ is a journalist who goes to a foreign country to report on events there.

8. It is ______ not to flush a public toilet in Singapore. (不合法的)

9. They can't ______ to buy a new car for his son. (支付得起)

10. The students are d______ on his parents for support.