mike with his friends ____ playing chess in the classroom when mr li came in .这题考with 的用法．请就这个知识点进行说明,be 动词应该跟哪个主语保持一致．Ais BwasCareD were在BD之间，不能确定．不知道是应该

Question

mike with his friends ____ playing chess in the classroom when mr li came in .
这题考with 的用法．请就这个知识点进行说明,be 动词应该跟哪个主语保持一致．
Ais BwasCareD were
在BD之间，不能确定．不知道是应该跟动词前的主语保持一致，还是跟with前的mike保持一致

Answer 1

was 因为with是介词而不是连词,所以本句主语是Mike,谓语Be动词用was,而不用were.