注册

题型：单选题题类：模拟题难易度：容易

You'd better look up the new word in a dictionary _____ you don't know it .

A、if B、that C、though D、whether

举一反三

Jim is going to stay at home ______ it is raining outside.

Life is like a mirror． ______ you smile at it，it will smile back．

You will never gain success ______ you fully put your effort into your work.

Air pollution is becoming more and more serious, ________ action must be taken to stop it.

I really want to have a pet dog, _______ my mother disagrees.

She bought a digital camera online ________ she could save a lot of time.

返回首页

相关试卷

试题篮

公司介绍

Company Introduction

服务介绍

Service Introduction

帮助中心

Help center

二一教育APP

二一教育APP

400-637-9991

周一至周五 8:30-17:30

在线咨询客服