Sincewehaveafocusedsubject，weshouldnottalk________.
Sicknessoften_______eatingtoomuch.
It_______methreeyearstodrawthebeautifulhorses.
重写句子：Alanpassedthetest.Alanhadstudiedhard.Alanhadunderstoodthematerial.(complexsentence)
英文翻译：在经济危机之后，人们不再认为他们房子的价值会继续升高。
