Question

---Is it polite to speak and laugh loudly ______ ?
---No, I don’t think so.
A. in public             B. at least             C. on time

Answer 1

B

本题考查介词短语。in public大庭广众下；at least至少；on time按时。句意：——在公众场合大声说笑有礼貌吗？——不，我不这样认为。