完成句子 I could________(禁不住笑)when I saw her funny expression. He wants to do nothing but________(回家). Mary had no choice but________(接受汤姆的)demand. We have enough food to________(维持八天). Haven't you seen the sign“________(禁止停车)”?
--- Do you know the reason _________ pilots turn off the plane’s lights before taking off? ---The practice is for the passengers to adjust to the dark _________ an emergency.