Whenyoufallinloveforthefirsttime,it’ssurprising______inconveniencesyoucanputupwith.
Theteachergave_____theexaminationpaper.
_______isknowntoall，Chinawillbean_______powerfulcountryin20or30years’time.
英语翻译：我希望我的书将阐明我们面临的复杂问题。
Theboycomplained_______apaininhisstomach.
