A.公開場(chǎng)合和私下場(chǎng)合B.時(shí)間場(chǎng)合和空間場(chǎng)合C.嚴(yán)肅場(chǎng)合和輕松場(chǎng)合D.赴他場(chǎng)合和居家場(chǎng)合
A.好客B.坦誠C.熱情D.快樂
A.演講B.復(fù)述C.談話D.辯論