ⅰ.语法单句填空 1.time is very limited, so you ________ get to that mountain village within 15 minutes. 答案:shall 句意为:时间很有限,你必须在十五分钟以内到达那个山村。shall与第二、三人称连用,表示命令,意为“一定,必须”。 2.—what does the sign over there say? —no person ________ bring drinks into the student computer room.