He should ______(arrive)early.
5个回答

1.arrive【should 后面加动词原形】

2.be late 【late是形容词,should 后面加动词原形,所以要加上be】

3.politely【划线前的句子已经具有主谓宾,所以此处应加上修饰词,用副词politely修饰动词speaks】

4.not to play【固定句型tell somebody not to do something】