【推荐1】________ （既然）you have started the job, you might as well finish it.

【推荐2】__________ your father is well again，you no longer have anything to worry about.

【推荐3】S____________ children live in one house with their parents, they should know that everyone should do their part in keeping it clean and tidy.

【推荐1】根据所给单词或汉语提示，用其适当的形式填空。
1. I will eat some of the bread and keep the _______________ (其余的部分) for breakfast.
2. _______________ (既然) we don’t need them any more, we should throw them away.
3. —Do you know the _______________ (mean) of the three words? —Sorry, I don’t know.
4. — What is the _______________ (speak) job?     — He is a doctor.
5. _______________ (luck), the instructions are easy to understand.
6. I think a mobile phone is _______________ (use) than a computer. I use it every day.
7. The boy is not very healthy. He often _______________ (cough).
8. We need you _______________ (introduce) the manager to us.
9. While the sun _______________ (rise), many tourists were watching it.
10. Their house _______________ (catch) fire and they were trapped.

【推荐2】S________ none of us are able to work out this math problem, we should go and ask our teacher for help.

【推荐3】S____ (既然) it will be rainy tomorrow, we have to choose a different time to go jogging.