Question

高二三道英语题不会,请大家详细解释一下,谢谢

1.--Let's go Dutch for this supper,OK?
----No,_____this time,as a reward for all your help.
A.it's up to you B it's my treat C let's talk about it D it doesn't matter
2.---I can't find Mr Smith.Where did you meet him this morning?
---It was in the hotel______he stayed.
A that B where C which D the one
3.Tom had been working a couple of weeks ______he received a letter from his girlfriend,Mary.A when B as Cwhile D after

Answer 1

1.B
go dutch AA制
my treat我请客
意思：我们今天晚饭AA制怎么样？
不，这次我请客，作为对你们帮忙的回报。
2.B
意思：Smith先生在哪？上午你是在哪碰到他的？
在他住的酒店碰到他的。
3.A
他收到女朋友Mary的信时，已经连续工作两周了。

追问

第2题和第3题能讲解一下吗？

追答

2.It was in the hotel 后面其实省略了that I/ we met Mr. Smith.强调状语我是在酒店碰到Smith的。
而where he stayed是定语从句修饰the hotel
3.while不能接表示时间点
主句与从句所表示的动作不是同时发生，而是有先后顺序时，一般多用when 不用as