whose paper is this?It ——be kangkang‘s ,he alwals forgets to writ_英语解答

whose paper is this?It ——be kangkang‘s ,he alwals forgets to write name是must 还是 may

人气：175 ℃　时间：2020-01-29 03:16:50

解答

must
must be 一定是
因为后面有always总是
结合语境便可得出