一You seem to be familiar with this city．
一I_____ here for three years．It’s great to be back．
A．will live B．lived C．had lived D．live
The so-called Asia—Pacific century will make no sense_____ China develops．
A．unless B．when C．if D．as
Whether you like it or not，we live in a community_____ on--line chatting is an important part of communication．
A．which B．that C．when D．where
The No．1 underground，hopefully_____ in the near future，will greatly improve the traffic conditions in Fuzhou
A．opens B．to be opened C．open D．will be opened
With the word“PM2．5"_____ appearing in media reports，people pay greater attention to it and seek health tips for smoggy days．
A．constantly B．instantly C．rarely D．directly
一What if you_____ to send an essay with your application?
一I would have been rejected．
A．forgot B．would forget C．had forgotten D．should forget
