Paper _____ in ancient China more than 2,000 years ago.
invented
was invented
invent
is invented
My sister never fights with her classmates over small things, ?( )
doesn't she
is she
does she
isn't she
People in Ulumqi are glad that Subway Line One by the end of the year 2017.( )
will complete
will be completed
has completed
is completed
Wild animals will have to live if humans still trees.( )
wherever; cut down
anywhere; will cut down
everywhere;will cut down
nowhere; cut down
______teenagers are becoming the "Head﹣down Tribe"(低头族). It's bad.( )
Too many; much too
Too much; too much
Much too; too much
Too many; too much
Ms.Yang felt so tired that she fell asleep she lay down on the bed.( )
ever since
unless
as soon as
even though