注册

题型：单选题题类：模拟题难易度：普通

In some cities, something _______ to stop the sale of live poultry（活禽）during the past weeks.

A、will do B、have done C、has been done D、will be done

举一反三

-- Mum, may I watch TV for a while?

-- Of course, if your work .

The missing girl has been {#blank#}1{#/blank#} (find) in the park.

Nothing{#blank#}1{#/blank#}(have) been thrown away.

从那时起，这条河就已经被污染了。

Since then, the river {#blank#}1{#/blank#} already {#blank#}2{#/blank#} {#blank#}3{#/blank#}.

His brother has taken lots of beautiful photos.（将主动语态的句子改成被动语态）

—Your books ____ at my house for several months. Do you still want them?

—Oh, I'll get them back when I'm free.

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