As there was a power cut in the hospital, the surgeon had to ______ the operation.
A: call on
B: call off
C: call out
D: call for
A: call on
B: call off
C: call out
D: call for
举一反三
- 【单选题】The workers agreed to ____ the strike if the company would satisfy their demand. A) call off B) call out C) call to D) call on A. call off B. call out C. call to D. call on
- We had to ____________ the meeting because the export manager missed his plane. ( ) A: call off B: call down C: call on D: call up
- 号召 A: call for B: call off C: call on D: call by
- The foreign visitors will ______the Great Wall after a short rest. A: call in B: call off C: call for D: call on
- You should ______your grandmother on your way home. A: call for B: call off C: call on D: call up