The lost kid was taken to the police station ______ his parents were waiting for him.
A.which B.what C.that D.where
I will try my best to stop my son from _____ the same mistake.
A.make B.made C.makes D.making
China women’s volleyball team will never give up _______ there is little hope to win the match.
A.but B.even though C.because D.as if
My son ________ computer games when I got home last night.
A.has played B.was playing C.will play D.played
—________ have you worked here?
—Since 1998.
A.When B.How soon C.How long D.How often
China ______ a lot in the past 40 years and now it is playing an important role on the world stage.
A.will change B.changed C.is changing D.has changed
