21. The fog most commonly encountered at sea is called__________.

中国大学MOOC: Surgical repair of the rectum is called__________.

Cyclos are also called__________. A: motor dups B: trishaws C: motor bikes

Surgical repair of the rectum is called__________. A: hepatoplasty B: sigmoidoplasty C: anaplasty D: rectoplasty

Sometimes the through tickets are also called__________. A: half-price tickets B: discount tickets C: free tickets D: all- inclusive tickets

Who ______ the workers to take up the struggle A: called for B: called on C: called in D: called off

John<br/>_______ the office as he was passing, but Mary was out. A: called for B: called up C: called on D: called at

Because the chairman of the board was absent, the meeting had to be ______. A: called out B: called on C: called off D: called up

The meeting had to be ____ because of the absence of chairman of the board. A: called out B: called off C: called on D: called up

The plan had been ________, which made him very angry. A: called off B: called up C: called in D: called on