C. spend some time doing sth.

为一个固定搭配，意为“花时间干某事”。

youdao

B. spend some time doing STH.

意为“花费时间做某事”。

youdao

C spend some time doing sth.

表示“花时间做某事”。

youdao

To prepare for the listening test, you should spend some time doing questions from past NETEM and Band 6 listening exams.

对于听力测试的准备，你们应该花费一些时间做NETEM和6级的听力考试题。

youdao

To prepare for the listening test, you should spend some time doing questions from past NETEM and Band 6 listening exams.

对于听力测试的准备，你们应该花费一些时间做NETEM和6级的听力考试题。

youdao