注册

题型：单选题题类：常考题难易度：普通

江苏省徐州市2020届高三上学期英语期中考试试卷

LED lighting, even in most developed countries, ________ long enough to know its effects across the human lifespan.

A、has not been used B、was not used C、had not been used D、is not being used

举一反三

It is the second time that he ________ late for school.

A large park ________here now.They hope to finish it in three months.

Great changes{#blank#}1{#/blank#}(take place) in my hometown since 1978.

I have {#blank#}1{#/blank#}(预订) a table in the restaurant for today's lunch.

The conference is {#blank#}1{#/blank#}(hold) next month.

There research center has {#blank#}1{#/blank#}(成功) in developing a new anti-virus medicine.

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