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.
