公共英语一级

单选题I found I left my key in the house __________I closed my front door.

A.as far as
B.as long as
C.as soon as

参考答案:C进入在线模考
句意:一关上门我就发现把钥匙落在房子里了。本题考查的是介词短语辨析。as far as远到,直到,至于;as long as只要,在…的时候;as soon as一…就…。故选c。