She's never been abroad,____?( )
is she
isn't she
has she
hasn't she
The old building ______ down to make room for the city library a year ago.( )
A.was takingB.is takenC.was takenD.would take
Look,______ excited the boy is on seeing these cute pandas!( )
A.howB.how anC.what anD.what
Where is your uncle,Jane?
He is in Guangzhou.He ______ for a month.( )
A.has leftB.has gone
C.leftD.has been away
Chinese people find ______ our duty to help develop African countries along the Belt and Road (一带一路).( )
A.itB.thisC.thatD.these
______ riding shared bikes(共享单车) is an environmentally friendly way to travel,many of the bikes are thrown everywhere.( )
A.AlthoughB.AsC.UnlessD.Until