The president of the World Bank says he has a passion for China, ______ he remembers starting as early as his childhood.
A. thatB. whichC. asD. when
_____ according to the instructions, the robot can behave like a human being with average IQ.
A. When to operateB. When operating
C. When to be operatedD. When operated
The door _____ open, no matter how hard she pushes.
A. doesn’tB. can’tC. won’tD. shouldn’t
When I first met Doris I didn’t like her, but I ______ my mind.
A. have changedB. changeC. had changedD. would change
An air crash accident happened to the plane, ______.
A. nobody aliveB. nobody was alive C. and nobody aliveD. where nobody alive
I wondered what difficulty he had _____ the plan.
A. to carry outB. carrying outC. carried outD. with carrying out
