语法与词汇 If we believe something is good and true we should _____ to it.

【正确答案】 C

【答案解析】句意：如果我们坚信某些事完美且真实，那我们就应该一直坚持下去。hold on to紧紧抓住；坚持。hold up举起；阻挡。keep on继续。keep up跟上；保持。