1．We ________ to paint the house at dawn but finished only the front part till dark.
A．set out B．set off
C．set about D．set aside
答案与解析：A set out to do sth.“开始做某事”，相当于begin to do sth.。
2．A healthy life is frequently thought to be ________ with the open countryside and homegrown food.
A．tied B．related
C．involved D．associated
答案与解析：D be associated with...“和……有关”。tie和relate意为“和……有关”时，常与to连用；be involved与in搭配。
