B. does
C. did
反馈
译文：他们在周末做一些社工工作。
解析：句子主语是第三人称复数they，句子时态是一般现在时，实意动词应用原形，因此选A。
正确答案是：do
题目6
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二、阅读理解：选择题（每题10分）
Social Workers
Social workers help people overcome problems and make their lives better. If people are homeless, sick, or having family problems, social workers will work with them. If students have trouble in school, social workers help them too.
Social workers help these people in different ways. One way is to find resources for people. They find out what kinds of help people need. Then, they set up programs to meet the needs of the individual12. They may focus on child abuse, poverty,
