it is suggested that he ___the instructions to operate the machinea.follow b.followed c.follows D.must follow答案显示这题选择a,为啥不选择c呢?he的后面动词不是加s吗?
明白了,谢谢你
现在懂了,谢谢你
主要是follow和follows的问题
明白了!谢谢你