题目

用方框中所给单词的适当形式填空，每个单词限用一次。 relaxdowelate sound （1） It's 7:00 a. m., I think we are for school. （2） Do you want to play basketball with ? （3） Is playing soccer ? （4） I don't like to play tennis. That difficult. （5） I don't have a soccer ball, but my brother . 答案：【1】late 【1】us 【1】relaxing 【1】sounds 【1】does（1）计算：sin30°+（2018﹣）0﹣2﹣1+|﹣4|；（2）化简：（1﹣）÷．