I regret()the trouble I have caused you.
A、to
B、at
C、for
D、on
A、to
B、at
C、for
D、on
A、where is the trouble B、where does the trouble C、where the trouble lies D、what is the trouble
A、A.the period of time during which no trouble occurs to the engine B、B.no trouble will occur to the engine all its life C、C.trouble may occur freely to the engine D、D.no matter what you do to the engine, no trouble will occur during this period
A、When the windlass is in trouble, the sailor must go and call the electrician to repair it. B、When the derrick is in trouble, the sailor must go and call the electrician to repair it. C、When the winch is in trouble, the sailor must go and call the electrician to repair it. D、When the winch is in trouble, the sailor must go and call the carpenter to repair it.