如图所示某同学测得电路中的电流，试分别指出在这个电路中：总电流是_________A；通过灯L₁的电流是_________A；通过灯L₂的电流是_________A．

By the following semester, it is likely that the old professor () on the campus of California University for two decades.

A. will have to be teaching

B. will have been taught

C. will have been teaching

D. will be teaching