语法填空OneSundaymorninginAugustIwenttoalocalmusicfestival.IleftitearlybecauseIhadanappointment16(late)thatday.Myfriendswalkedmetothebusstopandwaitedwithme17thebusarrived.Igotonthebusandfoun

Question

语法填空
One Sunday morning in
August I went to a local music festival.I left it early because I had an
appointment ___16___ (late) that day.My friends walked me to the bus
stop and waited with me ___17___ the bus arrived.I got on the bus and
found a seat near the back,and then I noticed a man ___18___ (sit) at
the front.He ___19___ (pretend) that a tiger toy was real and giving it
a voice.He must be ___20___ (mental) disabled.
17题空答案填until,我想问一下填before行吗?还有为什么是walked me?

Answer 1

later

till,until

sat

pretended

mental
如果用before,那么句子主语可能要用到过去完成时,表示的是“过去的过去”.即My friends had walked me to the bus stop and ...
至于walked me to 我觉得是省略了with（可有可无的）,避免和后面紧跟的waited with me重复.
有很多这样的习惯用法：
There's a glow off the pavement, you walk me to the car. 

人行道反着光, 你和我走到车前.


We gotta shake things up, but you'd walk me to through the board.  跟读

我们会把事情做好,但你得帮我说服董事会.