试题详情
单项选择 较难0.4 引用3 组卷228
He spent all his free time he has ________ his classmates.
A.helpingB.helpedC.to helpD.help
21-22九年级下·上海徐汇·期中
知识点:spend(spent spent)动词短语动名词作宾语 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!