If he does not ( ) something,he always ( ) the teacher and finds _英语解答

If he does not ( ) something,he always ( ) the teacher and finds out the answer to the question.
帮忙填一下,第一个括号填u开头的单词,第二个是a开头

人气：197 ℃　时间：2020-02-03 17:07:36

解答

If he does not ( understand ) something,he always (asks ) the teacher and finds out the answer to the question.
不明白的再问哟,请及时采纳,多谢!