基本信息
课尾达标微测及时巩固 检测知不足 ⅰ.用所给词的适当形式填空 1.if it ________ (snow) tomorrow, we will build a snowman. 答案 snowed 2.if he ________ (take) my advice, he would not have made such a mistake. 答案 had taken 3.if it ________ (not be) for your help, i shouldn't have finished this work on time.