A they are on B it is on C they are in D it is in
熱心網友
C和D都對.in progress意思是"在進行中,在進展中".the Olympics 可用作單數,也可用作復數."while they are in progress/while it is in progress"這里的they和it均指olympics.在舉行奧林匹克運動會期間,經常有關于奧運會的一些的報道.
A they are on B it is on C they are in D it is in
C和D都對.in progress意思是"在進行中,在進展中".the Olympics 可用作單數,也可用作復數."while they are in progress/while it is in progress"這里的they和it均指olympics.在舉行奧林匹克運動會期間,經常有關于奧運會的一些的報道.