精英家教网 > 高中英语 > 题目详情

____ I'm mistaken, I've seen that tall man at a party before.

A.If B.As C.Unless D.When

C

解析试题分析:句意:如果我没有认错的话,我以前在聚会上见过那个人。这里用unless引导条件状语从句,意思是“除非,如果不”,if引导条件状语从句,意思是“如果”,As“正如,因为,随着”,when“当…时候”,引导时间状语从句。所以选C。
考点:考查连词辨析

练习册系列答案
相关习题

科目:高中英语 来源: 题型:单选题

On Christmas Eve, children are eager to know _______Father Christmas comes and puts presents into their stockings.

A.that B.what C.where D.how 

查看答案和解析>>

科目:高中英语 来源: 题型:单选题

There is no way of knowing why one man makes an important discovery ______ another man, also intelligent, fails.

A.since B.if C.as D.while

查看答案和解析>>

科目:高中英语 来源: 题型:单选题

______ the ancient Egyptians built the pyramids puzzled people for centuries.

A.WhetherB.WhatC.HowD.Where

查看答案和解析>>

科目:高中英语 来源: 题型:单选题

_________ we have been classmates for three years, she hasn’t left me much impression, so I can’t remember her after graduation.

A.SinceB.Although C.BecauseD.Unless

查看答案和解析>>

科目:高中英语 来源: 题型:单选题

It is uncertain      side effect the medicine will bring about , though about one thousand patients have taken it.

A.thatB.whetherC.whatD.how

查看答案和解析>>

科目:高中英语 来源: 题型:单选题

_______ I’m not sure of winning the match, I will have a try anyway.

A.WhileB.BeforeC.OnceD.Since

查看答案和解析>>

科目:高中英语 来源: 题型:单选题

I always take something to read when I go to the doctor’s ___________ I have to wait.

A.in case B.so that C.in order D.as if

查看答案和解析>>

科目:高中英语 来源: 题型:单选题

—Someone wants you on the phone.
—________ nobody knows I am here.

A.Although B.And
C.But D.So

查看答案和解析>>

同步练习册答案