cannot choose but do

例句：

1. 1. I cannotchoose but to go to theparty tonight.
   我别无选择，今晚必须去参加聚会。
2. 2. He cannotchoose but to accept theoffer.
   他别无选择，只能接受这个提议。
3. 3. She cannotchoose but to stay athome and study.
   她别无选择，只能待在家里学习。