Tom's parents went out,_____him along at home.A.leave B.leaves C.left D.leaving 为什么选D?

问题描述:

Tom's parents went out,_____him along at home.A.leave B.leaves C.left D.leaving 为什么选D?

这里只有一个句子,也只能有一个主语,而主语已经是parents,所以后面用非谓语,选D