作业帮managed to did还是managed to do
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/11 16:12:57
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managed to did还是managed to do
managed to did还是managed to do
managed to did还是managed to do
managed to do
因为to 后面接动词原形
managed to do 不管前面什么时态 manage to do sth 固定短语 不变