___ reduce the casualties of residential fire, houses should install residential fire alarm detectors.
AIn addition to
BBe supposed to
CBe used to
DIn order to正確答案
答案與詳解
為什麼答案是 D
In order to + 原形動詞，表示「為了…」，作目的副詞片語，修飾主句 houses should install…，語意與結構皆正確。
考點：附加介系詞考點：情態片語考點：慣用片語考點：目的副詞片語
載入中…
