The old man ___ his sons and told them to help each other after h_英语解答

The old man ___ his sons and told them to help each other after he died.
a.call up b.call in
两个都有召集,招来的意思,为什么选择B呢?

人气：444 ℃　时间：2019-10-23 09:05:22

解答

call in召集的意思比较强,call up在我印象中并没有召集很多人的意思,而是召唤（单个人）、唤起（记忆等）的意思,像法院发传票就可以用call up