We Professor Smith the day before yesterday to celebrate his birthday.We _______ Professor Smith the day before yesterday to celebrate his birthday.A.called forB.called onC.called outD.called up 为什么呢?

问题描述:

We Professor Smith the day before yesterday to celebrate his birthday.
We _______ Professor Smith the day before yesterday to celebrate his birthday.
A.called forB.called onC.called outD.called up 为什么呢?

call for :去接某人,去取某物 call on :拜访,要求 call out :叫喊 call up :朝上方喊叫。所以本句话应该是:我们前天去拜访Simith教授是为了给他庆祝生日。

call for邀请, 接(人), 呼吁, 要求;
call on号召,拜访,请求;
call out 出动, 召集, 大声叫喊;
call up给 ... 打电话, 使想起, 召集, 征召。
这句话意思是:前天我们去史密斯教授家为他庆生。因此用call on 拜访

B
call on 拜访
call for 要求,需要
call out 唤起;出动;大声叫唤
call up 打电话给;召集;使想起;提出
根据意思判断是call on