It' s too bad that you didn' t come to the party. I wish you______such a bad headache that night.
A) didn' t have
B) hadn' t had
C) haven' t had
D ) hadn' t have
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Standing beside the desk ______.
A) the secretary was
B) did the secretary be
C) was the secretary
D) did the secretary was
Once ______ water, fish can' t live.
A) depriving of
B) depriving
C) deprived of
D) deprived
______I knew the news, I told you.
A) As
B) As though
C) As far as
D) As soon as
三角形联结法的电动机,将定子绕组的一个接点拆开,再( ),测量其电流,其中电流小的一相为断路相。
A. 同时通入交流电
B. 逐相通入交流电
C. 同时通入直流电
D. 逐相通入直流电