The engineers ____ the bridge with dynamite.
A. exploded
B. exploded up
C. blew
D. blew up
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Whenever government ____ were issued in China, there would always be long queues outside the doors of the banks.
A. bonds
B. credits
C. loans
D. fees
The report expressed ____ over continuing high unemployment.
A. concern
B. concept
C. concert
D. concentration
Our greatest happiness consists ____ serving the people.
A. of
B. in
C. over
D. about
Japan and China signed a ____ peace and friendship treaty.
A. historical
B. historic
C. history
D. historian