按照单词的正确形式填空。

1. Children had red envelopes_______(contain) money from their parents and relatives as New Year gifts.

2. They don't know how_______(deal) with their spending money.

3. She has a strong desire_______(learn) French.

4. His son had his own ideas at_______ (manage) money.

5. Money is only one of their_______(worry).

为了提高测试的效率，应该

A．随机选取测试数据

B．取一切可能的输入数据作为测试数据

C．在完成编码以后制定软件的测试计划

D．集中对付那些错误群集的程序