答案

D

试题分析：

句意：如果明天不下雨我们就去购物。本句是含有if条件状语从句的复合句，原则是主将从现，rain是实意动词，主语it三单，否定句需借助助动词does,故选D。

考点名称：状语从句

状语从句：

指句子用作状语时，起副词作用的句子。它可以修饰谓语、非谓语动词、定语、状语或整个句子。

根据其作用可分为时间、地点、原因、条件、目的、结果、让步、方式和比较等从句。

状语从句一般由连词(从属连词)引导，也可以由词组引起。

从句位于句首或句中时通常用逗号与主句隔开，位于句尾时可以不用逗号隔开。

状语从句分类:

1、时间状语从句

常用引导词：

when, as, while, as soon as, while, before, after, since , till, until

特殊引导词：

the minute, the moment, the second, every time, the day,the instant, immediately , directly, no sooner … than, hardly …when, scarcely … when

I didn't realize how special my mother was until I became an adult.

While John was watching TV, his wife was cooking.

The children ran away from the orchard(果园) the moment they saw the guard.

No sooner had I arrived home than it began to rain.

Every time I listen to your advice, I get into trouble.

2、地点状语从句

常用引导词：

where

特殊引导词：

wherever, anywhere, everywhere

Generally, air will be heavily polluted where there are factories.

Wherever you go, you should work hard.