21.Bill Clinton said during his two terms as president America had moved out of
industrial economy into information age.
A.an; an B.the; an C.an; the D.不填;不填
22.--- Which of these two books will you take?
--- I’ll take , in case the journey is boring.
A.either B.both C.all D.neither
23.The Roma people originally lived in northwest India in is now southeastern Pakistan.
A.what B.which C.that D.where
24.Do you think that bridge 2,000 meters long? It doesn’t appear long.
A.measures; that B.is measured; so
C.is measured; such D.measures; much