Presenters at the seminar will demostrate adaptive equipment that allows visually impaired people to use computers,and one of them is blind.这个句子是不是run-on呢
明白为何one of them who is.....错,但是还想问one of whom is .....做非限定性定语从句可以没有先行词?非限定性定语从句不是只有which、whom才可以当先行词吗?
Presenters at the seminar will demostrate adaptive equipment that allows visually impaired people to use computers,and one of them is blind.这个句子是不是run-on呢