first floor、second floor……几层几层前面用介词at 还是in?
first floor、second floor……几层几层前面用介词at 还是in?
at the second floor 还是on the second floor
at the first floor还是on the first floor
the floor前面用什么介词
in the first floor
序数词的介词如:the first floor前加on还是in?
Take the lift()the second floor,in还是to
live ________the second floor.(填介词)
,It's ___the first floor 介词用什么,为什么
"是用on the first floor 因为floor是名词 那at呢
"是用on the first floor 因为floor是名词 那at呢?
按要求改写句子1.ls your study on the first floor(用the second floor改