{01}At school, some students are active ________some are shy, yet they can be good friends with one another. [ ] A.while B.although C.so D.as 解析: 本题选A。
{02}In the US they focus on creative thinking skills, ________ in China they only focus on theory. A.since B.when C.while D.now that 解析: 本题选C。
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