Were there any disputes()the figures?
A、at
B、in
C、on
D、over
A、at
B、in
C、on
D、over
A、there is a minor emergency B、there is an actual emergency C、there were a minor emergency D、there were an actual emergency
A、Were there loss of energy by friction B、Since there be loss of energy by friction C、Were there no loss of energy by friction D、Should be no loss of energy by friction