We have to()(前移)one metre.
A、shift ahead
B、move forward
C、shift forward
A、shift ahead
B、move forward
C、shift forward
A、You have stolen something precious and don’t want it discovered. B、You are a doctor and have to keep a skeleton for research. C、If you have cut open a dead human body for scientific examination you should keep the skeleton secret. D、You have done a crime or done something foolish, but you want to keep other from discovering it.