书桌上有一只钢笔和两本英语书There is a pen and two English books on the desk.按照就近原则,be动词用is
书桌上有一只钢笔和两本英语书
There is a pen and two books on the desk.
there be .....中的be由最近的名词的单复数决定。
There is apen and two English books on the desk